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Finding the Fourth Proportional to 160,341.92, 240,443.40 and 76,126.40

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Solution

The fourth proportional to 160,341.92, 240,443.40 and 76,126.40 is: 114,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,341.92 : 240,443.40 = 76,126.40 : x
  2. Step 2: Convert to fraction form
    160,341.92/240,443.40 = 76,126.40/x
  3. Step 3: Cross multiply
    160,341.92x = 240,443.40 × 76,126.40
  4. Step 4: Simplify right side
    160,341.92x = 18,304,090,445.76
  5. Step 5: Solve for x
    x = 18,304,090,445.76/160,341.92
  6. Step 6: Final answer
    x = 114,156.61

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1.5x scale

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.