Home / 152,020.32-228,034.40-72,039.52

Finding the Fourth Proportional to 152,020.32, 228,034.40 and 72,039.52

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Solution

The fourth proportional to 152,020.32, 228,034.40 and 72,039.52 is: 108,061.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,020.32 : 228,034.40 = 72,039.52 : x
  2. Step 2: Convert to fraction form
    152,020.32/228,034.40 = 72,039.52/x
  3. Step 3: Cross multiply
    152,020.32x = 228,034.40 × 72,039.52
  4. Step 4: Simplify right side
    152,020.32x = 16,427,488,719.49
  5. Step 5: Solve for x
    x = 16,427,488,719.49/152,020.32
  6. Step 6: Final answer
    x = 108,061.14

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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.