Home / 125,056.22-187,449.80-54,012.29

Finding the Fourth Proportional to 125,056.22, 187,449.80 and 54,012.29

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Solution

The fourth proportional to 125,056.22, 187,449.80 and 54,012.29 is: 80,960.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,056.22 : 187,449.80 = 54,012.29 : x
  2. Step 2: Convert to fraction form
    125,056.22/187,449.80 = 54,012.29/x
  3. Step 3: Cross multiply
    125,056.22x = 187,449.80 × 54,012.29
  4. Step 4: Simplify right side
    125,056.22x = 10,124,592,155.82
  5. Step 5: Solve for x
    x = 10,124,592,155.82/125,056.22
  6. Step 6: Final answer
    x = 80,960.32

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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.