Home / 159,553.40-239,330.10-144,001.40

Finding the Fourth Proportional to 159,553.40, 239,330.10 and 144,001.40

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Solution

The fourth proportional to 159,553.40, 239,330.10 and 144,001.40 is: 216,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,553.40 : 239,330.10 = 144,001.40 : x
  2. Step 2: Convert to fraction form
    159,553.40/239,330.10 = 144,001.40/x
  3. Step 3: Cross multiply
    159,553.40x = 239,330.10 × 144,001.40
  4. Step 4: Simplify right side
    159,553.40x = 34,463,869,462.14
  5. Step 5: Solve for x
    x = 34,463,869,462.14/159,553.40
  6. Step 6: Final answer
    x = 216,002.10

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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.