Home / 125,384.24-187,953.72-45,398

Finding the Fourth Proportional to 125,384.24, 187,953.72 and 45,398

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Solution

The fourth proportional to 125,384.24, 187,953.72 and 45,398 is: 68,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,384.24 : 187,953.72 = 45,398 : x
  2. Step 2: Convert to fraction form
    125,384.24/187,953.72 = 45,398/x
  3. Step 3: Cross multiply
    125,384.24x = 187,953.72 × 45,398
  4. Step 4: Simplify right side
    125,384.24x = 8,532,722,980.56
  5. Step 5: Solve for x
    x = 8,532,722,980.56/125,384.24
  6. Step 6: Final answer
    x = 68,052.60

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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.