Home / 152,971.70-229,233.45-137,176.70

Finding the Fourth Proportional to 152,971.70, 229,233.45 and 137,176.70

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Solution

The fourth proportional to 152,971.70, 229,233.45 and 137,176.70 is: 205,564.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,971.70 : 229,233.45 = 137,176.70 : x
  2. Step 2: Convert to fraction form
    152,971.70/229,233.45 = 137,176.70/x
  3. Step 3: Cross multiply
    152,971.70x = 229,233.45 × 137,176.70
  4. Step 4: Simplify right side
    152,971.70x = 31,445,488,200.62
  5. Step 5: Solve for x
    x = 31,445,488,200.62/152,971.70
  6. Step 6: Final answer
    x = 205,564.09

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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.