Home / 121,717.86-182,304.53-70,363.61

Finding the Fourth Proportional to 121,717.86, 182,304.53 and 70,363.61

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Solution

The fourth proportional to 121,717.86, 182,304.53 and 70,363.61 is: 105,388.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,717.86 : 182,304.53 = 70,363.61 : x
  2. Step 2: Convert to fraction form
    121,717.86/182,304.53 = 70,363.61/x
  3. Step 3: Cross multiply
    121,717.86x = 182,304.53 × 70,363.61
  4. Step 4: Simplify right side
    121,717.86x = 12,827,604,850.15
  5. Step 5: Solve for x
    x = 12,827,604,850.15/121,717.86
  6. Step 6: Final answer
    x = 105,388.02

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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.