Home / 94,712.20-142,031.14-35,515.60

Finding the Fourth Proportional to 94,712.20, 142,031.14 and 35,515.60

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Solution

The fourth proportional to 94,712.20, 142,031.14 and 35,515.60 is: 53,259.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,712.20 : 142,031.14 = 35,515.60 : x
  2. Step 2: Convert to fraction form
    94,712.20/142,031.14 = 35,515.60/x
  3. Step 3: Cross multiply
    94,712.20x = 142,031.14 × 35,515.60
  4. Step 4: Simplify right side
    94,712.20x = 5,044,321,155.78
  5. Step 5: Solve for x
    x = 5,044,321,155.78/94,712.20
  6. Step 6: Final answer
    x = 53,259.47

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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.