Home / 117,675.10-162,428.79-75,233.80

Finding the Fourth Proportional to 117,675.10, 162,428.79 and 75,233.80

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Solution

The fourth proportional to 117,675.10, 162,428.79 and 75,233.80 is: 103,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,675.10 : 162,428.79 = 75,233.80 : x
  2. Step 2: Convert to fraction form
    117,675.10/162,428.79 = 75,233.80/x
  3. Step 3: Cross multiply
    117,675.10x = 162,428.79 × 75,233.80
  4. Step 4: Simplify right side
    117,675.10x = 12,220,135,101.10
  5. Step 5: Solve for x
    x = 12,220,135,101.10/117,675.10
  6. Step 6: Final answer
    x = 103,846.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.