Home / 144,045.80-215,558.40-125,529.20

Finding the Fourth Proportional to 144,045.80, 215,558.40 and 125,529.20

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Solution

The fourth proportional to 144,045.80, 215,558.40 and 125,529.20 is: 187,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,045.80 : 215,558.40 = 125,529.20 : x
  2. Step 2: Convert to fraction form
    144,045.80/215,558.40 = 125,529.20/x
  3. Step 3: Cross multiply
    144,045.80x = 215,558.40 × 125,529.20
  4. Step 4: Simplify right side
    144,045.80x = 27,058,873,505.28
  5. Step 5: Solve for x
    x = 27,058,873,505.28/144,045.80
  6. Step 6: Final answer
    x = 187,849.10

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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.