Home / 153,117.70-229,028.55-137,436.10

Finding the Fourth Proportional to 153,117.70, 229,028.55 and 137,436.10

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Solution

The fourth proportional to 153,117.70, 229,028.55 and 137,436.10 is: 205,572.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,117.70 : 229,028.55 = 137,436.10 : x
  2. Step 2: Convert to fraction form
    153,117.70/229,028.55 = 137,436.10/x
  3. Step 3: Cross multiply
    153,117.70x = 229,028.55 × 137,436.10
  4. Step 4: Simplify right side
    153,117.70x = 31,476,790,700.66
  5. Step 5: Solve for x
    x = 31,476,790,700.66/153,117.70
  6. Step 6: Final answer
    x = 205,572.52

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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.