Home / 94,669.10-142,003.65-79,117.10

Finding the Fourth Proportional to 94,669.10, 142,003.65 and 79,117.10

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Solution

The fourth proportional to 94,669.10, 142,003.65 and 79,117.10 is: 118,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,669.10 : 142,003.65 = 79,117.10 : x
  2. Step 2: Convert to fraction form
    94,669.10/142,003.65 = 79,117.10/x
  3. Step 3: Cross multiply
    94,669.10x = 142,003.65 × 79,117.10
  4. Step 4: Simplify right side
    94,669.10x = 11,234,916,977.42
  5. Step 5: Solve for x
    x = 11,234,916,977.42/94,669.10
  6. Step 6: Final answer
    x = 118,675.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.