Home / 142,247.60-213,403.17-53,501.87

Finding the Fourth Proportional to 142,247.60, 213,403.17 and 53,501.87

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Solution

The fourth proportional to 142,247.60, 213,403.17 and 53,501.87 is: 80,264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,247.60 : 213,403.17 = 53,501.87 : x
  2. Step 2: Convert to fraction form
    142,247.60/213,403.17 = 53,501.87/x
  3. Step 3: Cross multiply
    142,247.60x = 213,403.17 × 53,501.87
  4. Step 4: Simplify right side
    142,247.60x = 11,417,467,591.91
  5. Step 5: Solve for x
    x = 11,417,467,591.91/142,247.60
  6. Step 6: Final answer
    x = 80,264.75

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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.