Home / 125,240.19-187,863.02-75,362.01

Finding the Fourth Proportional to 125,240.19, 187,863.02 and 75,362.01

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Solution

The fourth proportional to 125,240.19, 187,863.02 and 75,362.01 is: 113,044.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,240.19 : 187,863.02 = 75,362.01 : x
  2. Step 2: Convert to fraction form
    125,240.19/187,863.02 = 75,362.01/x
  3. Step 3: Cross multiply
    125,240.19x = 187,863.02 × 75,362.01
  4. Step 4: Simplify right side
    125,240.19x = 14,157,735,261.87
  5. Step 5: Solve for x
    x = 14,157,735,261.87/125,240.19
  6. Step 6: Final answer
    x = 113,044.66

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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.