Home / 144,049.80-215,564.40-125,533.20

Finding the Fourth Proportional to 144,049.80, 215,564.40 and 125,533.20

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Solution

The fourth proportional to 144,049.80, 215,564.40 and 125,533.20 is: 187,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,049.80 : 215,564.40 = 125,533.20 : x
  2. Step 2: Convert to fraction form
    144,049.80/215,564.40 = 125,533.20/x
  3. Step 3: Cross multiply
    144,049.80x = 215,564.40 × 125,533.20
  4. Step 4: Simplify right side
    144,049.80x = 27,060,488,938.08
  5. Step 5: Solve for x
    x = 27,060,488,938.08/144,049.80
  6. Step 6: Final answer
    x = 187,855.10

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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.