Home / 149,723.80-224,585.70-138,898.15

Finding the Fourth Proportional to 149,723.80, 224,585.70 and 138,898.15

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Solution

The fourth proportional to 149,723.80, 224,585.70 and 138,898.15 is: 208,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,723.80 : 224,585.70 = 138,898.15 : x
  2. Step 2: Convert to fraction form
    149,723.80/224,585.70 = 138,898.15/x
  3. Step 3: Cross multiply
    149,723.80x = 224,585.70 × 138,898.15
  4. Step 4: Simplify right side
    149,723.80x = 31,194,538,246.46
  5. Step 5: Solve for x
    x = 31,194,538,246.46/149,723.80
  6. Step 6: Final answer
    x = 208,347.23

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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.