Home / 90,866.95-136,323.11-89,360.17

Finding the Fourth Proportional to 90,866.95, 136,323.11 and 89,360.17

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Solution

The fourth proportional to 90,866.95, 136,323.11 and 89,360.17 is: 134,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,866.95 : 136,323.11 = 89,360.17 : x
  2. Step 2: Convert to fraction form
    90,866.95/136,323.11 = 89,360.17/x
  3. Step 3: Cross multiply
    90,866.95x = 136,323.11 × 89,360.17
  4. Step 4: Simplify right side
    90,866.95x = 12,181,856,284.53
  5. Step 5: Solve for x
    x = 12,181,856,284.53/90,866.95
  6. Step 6: Final answer
    x = 134,062.56

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1.5x scale

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.