Home / 161,972.22-223,531.95-90,352.10

Finding the Fourth Proportional to 161,972.22, 223,531.95 and 90,352.10

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Solution

The fourth proportional to 161,972.22, 223,531.95 and 90,352.10 is: 124,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,972.22 : 223,531.95 = 90,352.10 : x
  2. Step 2: Convert to fraction form
    161,972.22/223,531.95 = 90,352.10/x
  3. Step 3: Cross multiply
    161,972.22x = 223,531.95 × 90,352.10
  4. Step 4: Simplify right side
    161,972.22x = 20,196,579,981.94
  5. Step 5: Solve for x
    x = 20,196,579,981.94/161,972.22
  6. Step 6: Final answer
    x = 124,691.63

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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.