Home / 125,210.96-187,877.19-55,081.16

Finding the Fourth Proportional to 125,210.96, 187,877.19 and 55,081.16

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Solution

The fourth proportional to 125,210.96, 187,877.19 and 55,081.16 is: 82,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,210.96 : 187,877.19 = 55,081.16 : x
  2. Step 2: Convert to fraction form
    125,210.96/187,877.19 = 55,081.16/x
  3. Step 3: Cross multiply
    125,210.96x = 187,877.19 × 55,081.16
  4. Step 4: Simplify right side
    125,210.96x = 10,348,493,562.74
  5. Step 5: Solve for x
    x = 10,348,493,562.74/125,210.96
  6. Step 6: Final answer
    x = 82,648.46

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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.