Home / 125,128.32-187,575.84-41,964

Finding the Fourth Proportional to 125,128.32, 187,575.84 and 41,964

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Solution

The fourth proportional to 125,128.32, 187,575.84 and 41,964 is: 62,906.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,128.32 : 187,575.84 = 41,964 : x
  2. Step 2: Convert to fraction form
    125,128.32/187,575.84 = 41,964/x
  3. Step 3: Cross multiply
    125,128.32x = 187,575.84 × 41,964
  4. Step 4: Simplify right side
    125,128.32x = 7,871,432,549.76
  5. Step 5: Solve for x
    x = 7,871,432,549.76/125,128.32
  6. Step 6: Final answer
    x = 62,906.88

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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.