Home / 90,283.95-135,633.51-63,691.11

Finding the Fourth Proportional to 90,283.95, 135,633.51 and 63,691.11

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Solution

The fourth proportional to 90,283.95, 135,633.51 and 63,691.11 is: 95,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,283.95 : 135,633.51 = 63,691.11 : x
  2. Step 2: Convert to fraction form
    90,283.95/135,633.51 = 63,691.11/x
  3. Step 3: Cross multiply
    90,283.95x = 135,633.51 × 63,691.11
  4. Step 4: Simplify right side
    90,283.95x = 8,638,648,805.10
  5. Step 5: Solve for x
    x = 8,638,648,805.10/90,283.95
  6. Step 6: Final answer
    x = 95,683.11

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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.