Home / 103,200.04-142,416.10-60,784.68

Finding the Fourth Proportional to 103,200.04, 142,416.10 and 60,784.68

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Solution

The fourth proportional to 103,200.04, 142,416.10 and 60,784.68 is: 83,882.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,200.04 : 142,416.10 = 60,784.68 : x
  2. Step 2: Convert to fraction form
    103,200.04/142,416.10 = 60,784.68/x
  3. Step 3: Cross multiply
    103,200.04x = 142,416.10 × 60,784.68
  4. Step 4: Simplify right side
    103,200.04x = 8,656,717,065.35
  5. Step 5: Solve for x
    x = 8,656,717,065.35/103,200.04
  6. Step 6: Final answer
    x = 83,882.88

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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.