Home / 142,177.41-213,397.34-72,105.93

Finding the Fourth Proportional to 142,177.41, 213,397.34 and 72,105.93

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Solution

The fourth proportional to 142,177.41, 213,397.34 and 72,105.93 is: 108,225.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,177.41 : 213,397.34 = 72,105.93 : x
  2. Step 2: Convert to fraction form
    142,177.41/213,397.34 = 72,105.93/x
  3. Step 3: Cross multiply
    142,177.41x = 213,397.34 × 72,105.93
  4. Step 4: Simplify right side
    142,177.41x = 15,387,213,299.70
  5. Step 5: Solve for x
    x = 15,387,213,299.70/142,177.41
  6. Step 6: Final answer
    x = 108,225.44

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1.5x scale

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.