Home / 129,875.29-194,874.57-89,955.65

Finding the Fourth Proportional to 129,875.29, 194,874.57 and 89,955.65

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Solution

The fourth proportional to 129,875.29, 194,874.57 and 89,955.65 is: 134,976.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,875.29 : 194,874.57 = 89,955.65 : x
  2. Step 2: Convert to fraction form
    129,875.29/194,874.57 = 89,955.65/x
  3. Step 3: Cross multiply
    129,875.29x = 194,874.57 × 89,955.65
  4. Step 4: Simplify right side
    129,875.29x = 17,530,069,100.01
  5. Step 5: Solve for x
    x = 17,530,069,100.01/129,875.29
  6. Step 6: Final answer
    x = 134,976.17

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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.