Home / 252,011.10-378,049.05-125,715.90

Finding the Fourth Proportional to 252,011.10, 378,049.05 and 125,715.90

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Solution

The fourth proportional to 252,011.10, 378,049.05 and 125,715.90 is: 188,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,011.10 : 378,049.05 = 125,715.90 : x
  2. Step 2: Convert to fraction form
    252,011.10/378,049.05 = 125,715.90/x
  3. Step 3: Cross multiply
    252,011.10x = 378,049.05 × 125,715.90
  4. Step 4: Simplify right side
    252,011.10x = 47,526,776,564.90
  5. Step 5: Solve for x
    x = 47,526,776,564.90/252,011.10
  6. Step 6: Final answer
    x = 188,590.01

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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.