Home / 109,812.91-151,428.67-93,949.87

Finding the Fourth Proportional to 109,812.91, 151,428.67 and 93,949.87

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Solution

The fourth proportional to 109,812.91, 151,428.67 and 93,949.87 is: 129,554.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,812.91 : 151,428.67 = 93,949.87 : x
  2. Step 2: Convert to fraction form
    109,812.91/151,428.67 = 93,949.87/x
  3. Step 3: Cross multiply
    109,812.91x = 151,428.67 × 93,949.87
  4. Step 4: Simplify right side
    109,812.91x = 14,226,703,860.77
  5. Step 5: Solve for x
    x = 14,226,703,860.77/109,812.91
  6. Step 6: Final answer
    x = 129,554.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.