Home / 125,083.60-187,612.28-65,895.44

Finding the Fourth Proportional to 125,083.60, 187,612.28 and 65,895.44

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Solution

The fourth proportional to 125,083.60, 187,612.28 and 65,895.44 is: 98,836.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,083.60 : 187,612.28 = 65,895.44 : x
  2. Step 2: Convert to fraction form
    125,083.60/187,612.28 = 65,895.44/x
  3. Step 3: Cross multiply
    125,083.60x = 187,612.28 × 65,895.44
  4. Step 4: Simplify right side
    125,083.60x = 12,362,793,740.00
  5. Step 5: Solve for x
    x = 12,362,793,740.00/125,083.60
  6. Step 6: Final answer
    x = 98,836.25

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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.