Home / 136,269.71-204,431.90-47,499.38

Finding the Fourth Proportional to 136,269.71, 204,431.90 and 47,499.38

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Solution

The fourth proportional to 136,269.71, 204,431.90 and 47,499.38 is: 71,258.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,269.71 : 204,431.90 = 47,499.38 : x
  2. Step 2: Convert to fraction form
    136,269.71/204,431.90 = 47,499.38/x
  3. Step 3: Cross multiply
    136,269.71x = 204,431.90 × 47,499.38
  4. Step 4: Simplify right side
    136,269.71x = 9,710,387,242.57
  5. Step 5: Solve for x
    x = 9,710,387,242.57/136,269.71
  6. Step 6: Final answer
    x = 71,258.59

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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.