Home / 154,901.91-232,377.18-66,155.88

Finding the Fourth Proportional to 154,901.91, 232,377.18 and 66,155.88

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Solution

The fourth proportional to 154,901.91, 232,377.18 and 66,155.88 is: 99,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,901.91 : 232,377.18 = 66,155.88 : x
  2. Step 2: Convert to fraction form
    154,901.91/232,377.18 = 66,155.88/x
  3. Step 3: Cross multiply
    154,901.91x = 232,377.18 × 66,155.88
  4. Step 4: Simplify right side
    154,901.91x = 15,373,116,834.82
  5. Step 5: Solve for x
    x = 15,373,116,834.82/154,901.91
  6. Step 6: Final answer
    x = 99,244.20

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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.