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Finding the Fourth Proportional to 160,558.48, 240,750.04 and 127,490.96

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Solution

The fourth proportional to 160,558.48, 240,750.04 and 127,490.96 is: 191,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,558.48 : 240,750.04 = 127,490.96 : x
  2. Step 2: Convert to fraction form
    160,558.48/240,750.04 = 127,490.96/x
  3. Step 3: Cross multiply
    160,558.48x = 240,750.04 × 127,490.96
  4. Step 4: Simplify right side
    160,558.48x = 30,693,453,719.64
  5. Step 5: Solve for x
    x = 30,693,453,719.64/160,558.48
  6. Step 6: Final answer
    x = 191,166.82

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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.