Home / 103,132.22-142,290.50-57,803.92

Finding the Fourth Proportional to 103,132.22, 142,290.50 and 57,803.92

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Solution

The fourth proportional to 103,132.22, 142,290.50 and 57,803.92 is: 79,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,132.22 : 142,290.50 = 57,803.92 : x
  2. Step 2: Convert to fraction form
    103,132.22/142,290.50 = 57,803.92/x
  3. Step 3: Cross multiply
    103,132.22x = 142,290.50 × 57,803.92
  4. Step 4: Simplify right side
    103,132.22x = 8,224,948,678.76
  5. Step 5: Solve for x
    x = 8,224,948,678.76/103,132.22
  6. Step 6: Final answer
    x = 79,751.49

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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.