Home / 128,581.50-192,996.96-62,068.50

Finding the Fourth Proportional to 128,581.50, 192,996.96 and 62,068.50

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Solution

The fourth proportional to 128,581.50, 192,996.96 and 62,068.50 is: 93,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,581.50 : 192,996.96 = 62,068.50 : x
  2. Step 2: Convert to fraction form
    128,581.50/192,996.96 = 62,068.50/x
  3. Step 3: Cross multiply
    128,581.50x = 192,996.96 × 62,068.50
  4. Step 4: Simplify right side
    128,581.50x = 11,979,031,811.76
  5. Step 5: Solve for x
    x = 11,979,031,811.76/128,581.50
  6. Step 6: Final answer
    x = 93,162.95

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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.