Home / 153,956.30-230,902.05-65,212.70

Finding the Fourth Proportional to 153,956.30, 230,902.05 and 65,212.70

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Solution

The fourth proportional to 153,956.30, 230,902.05 and 65,212.70 is: 97,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,956.30 : 230,902.05 = 65,212.70 : x
  2. Step 2: Convert to fraction form
    153,956.30/230,902.05 = 65,212.70/x
  3. Step 3: Cross multiply
    153,956.30x = 230,902.05 × 65,212.70
  4. Step 4: Simplify right side
    153,956.30x = 15,057,746,116.04
  5. Step 5: Solve for x
    x = 15,057,746,116.04/153,956.30
  6. Step 6: Final answer
    x = 97,805.33

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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.