Home / 125,232.47-187,859.40-69,111.31

Finding the Fourth Proportional to 125,232.47, 187,859.40 and 69,111.31

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Solution

The fourth proportional to 125,232.47, 187,859.40 and 69,111.31 is: 103,672.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,232.47 : 187,859.40 = 69,111.31 : x
  2. Step 2: Convert to fraction form
    125,232.47/187,859.40 = 69,111.31/x
  3. Step 3: Cross multiply
    125,232.47x = 187,859.40 × 69,111.31
  4. Step 4: Simplify right side
    125,232.47x = 12,983,209,229.81
  5. Step 5: Solve for x
    x = 12,983,209,229.81/125,232.47
  6. Step 6: Final answer
    x = 103,672.87

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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.