Home / 147,641.70-221,462.55-137,727.30

Finding the Fourth Proportional to 147,641.70, 221,462.55 and 137,727.30

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Solution

The fourth proportional to 147,641.70, 221,462.55 and 137,727.30 is: 206,590.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,641.70 : 221,462.55 = 137,727.30 : x
  2. Step 2: Convert to fraction form
    147,641.70/221,462.55 = 137,727.30/x
  3. Step 3: Cross multiply
    147,641.70x = 221,462.55 × 137,727.30
  4. Step 4: Simplify right side
    147,641.70x = 30,501,439,062.62
  5. Step 5: Solve for x
    x = 30,501,439,062.62/147,641.70
  6. Step 6: Final answer
    x = 206,590.95

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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.