Home / 121,325.88-182,024.97-87,667.95

Finding the Fourth Proportional to 121,325.88, 182,024.97 and 87,667.95

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Solution

The fourth proportional to 121,325.88, 182,024.97 and 87,667.95 is: 131,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,325.88 : 182,024.97 = 87,667.95 : x
  2. Step 2: Convert to fraction form
    121,325.88/182,024.97 = 87,667.95/x
  3. Step 3: Cross multiply
    121,325.88x = 182,024.97 × 87,667.95
  4. Step 4: Simplify right side
    121,325.88x = 15,957,755,968.71
  5. Step 5: Solve for x
    x = 15,957,755,968.71/121,325.88
  6. Step 6: Final answer
    x = 131,528.05

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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.