Home / 90,310.28-135,491.34-59,106.92

Finding the Fourth Proportional to 90,310.28, 135,491.34 and 59,106.92

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Solution

The fourth proportional to 90,310.28, 135,491.34 and 59,106.92 is: 88,677.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,310.28 : 135,491.34 = 59,106.92 : x
  2. Step 2: Convert to fraction form
    90,310.28/135,491.34 = 59,106.92/x
  3. Step 3: Cross multiply
    90,310.28x = 135,491.34 × 59,106.92
  4. Step 4: Simplify right side
    90,310.28x = 8,008,475,794.07
  5. Step 5: Solve for x
    x = 8,008,475,794.07/90,310.28
  6. Step 6: Final answer
    x = 88,677.34

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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.