Home / 103,094.08-142,350.24-79,182.88

Finding the Fourth Proportional to 103,094.08, 142,350.24 and 79,182.88

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Solution

The fourth proportional to 103,094.08, 142,350.24 and 79,182.88 is: 109,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,094.08 : 142,350.24 = 79,182.88 : x
  2. Step 2: Convert to fraction form
    103,094.08/142,350.24 = 79,182.88/x
  3. Step 3: Cross multiply
    103,094.08x = 142,350.24 × 79,182.88
  4. Step 4: Simplify right side
    103,094.08x = 11,271,701,971.89
  5. Step 5: Solve for x
    x = 11,271,701,971.89/103,094.08
  6. Step 6: Final answer
    x = 109,334.13

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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.