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Finding the Fourth Proportional to 161,089.92, 241,714.08 and 72,406.08

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Solution

The fourth proportional to 161,089.92, 241,714.08 and 72,406.08 is: 108,644.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,089.92 : 241,714.08 = 72,406.08 : x
  2. Step 2: Convert to fraction form
    161,089.92/241,714.08 = 72,406.08/x
  3. Step 3: Cross multiply
    161,089.92x = 241,714.08 × 72,406.08
  4. Step 4: Simplify right side
    161,089.92x = 17,501,569,013.61
  5. Step 5: Solve for x
    x = 17,501,569,013.61/161,089.92
  6. Step 6: Final answer
    x = 108,644.72

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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.