Home / 140,272.41-193,572.93-76,610.46

Finding the Fourth Proportional to 140,272.41, 193,572.93 and 76,610.46

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Solution

The fourth proportional to 140,272.41, 193,572.93 and 76,610.46 is: 105,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,272.41 : 193,572.93 = 76,610.46 : x
  2. Step 2: Convert to fraction form
    140,272.41/193,572.93 = 76,610.46/x
  3. Step 3: Cross multiply
    140,272.41x = 193,572.93 × 76,610.46
  4. Step 4: Simplify right side
    140,272.41x = 14,829,711,210.85
  5. Step 5: Solve for x
    x = 14,829,711,210.85/140,272.41
  6. Step 6: Final answer
    x = 105,720.80

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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.