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Finding the Fourth Proportional to 161,330.70, 241,801.65 and 82,404.30

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Solution

The fourth proportional to 161,330.70, 241,801.65 and 82,404.30 is: 123,507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,330.70 : 241,801.65 = 82,404.30 : x
  2. Step 2: Convert to fraction form
    161,330.70/241,801.65 = 82,404.30/x
  3. Step 3: Cross multiply
    161,330.70x = 241,801.65 × 82,404.30
  4. Step 4: Simplify right side
    161,330.70x = 19,925,495,707.10
  5. Step 5: Solve for x
    x = 19,925,495,707.10/161,330.70
  6. Step 6: Final answer
    x = 123,507.15

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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.