Home / 140,094.22-193,326.18-76,432

Finding the Fourth Proportional to 140,094.22, 193,326.18 and 76,432

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Solution

The fourth proportional to 140,094.22, 193,326.18 and 76,432 is: 105,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,094.22 : 193,326.18 = 76,432 : x
  2. Step 2: Convert to fraction form
    140,094.22/193,326.18 = 76,432/x
  3. Step 3: Cross multiply
    140,094.22x = 193,326.18 × 76,432
  4. Step 4: Simplify right side
    140,094.22x = 14,776,306,589.76
  5. Step 5: Solve for x
    x = 14,776,306,589.76/140,094.22
  6. Step 6: Final answer
    x = 105,474.06

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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.