Home / 140,095.73-193,331.88-76,433.53

Finding the Fourth Proportional to 140,095.73, 193,331.88 and 76,433.53

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Solution

The fourth proportional to 140,095.73, 193,331.88 and 76,433.53 is: 105,478.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,095.73 : 193,331.88 = 76,433.53 : x
  2. Step 2: Convert to fraction form
    140,095.73/193,331.88 = 76,433.53/x
  3. Step 3: Cross multiply
    140,095.73x = 193,331.88 × 76,433.53
  4. Step 4: Simplify right side
    140,095.73x = 14,777,037,566.61
  5. Step 5: Solve for x
    x = 14,777,037,566.61/140,095.73
  6. Step 6: Final answer
    x = 105,478.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.