Home / 90,305.28-135,483.84-59,101.92

Finding the Fourth Proportional to 90,305.28, 135,483.84 and 59,101.92

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Solution

The fourth proportional to 90,305.28, 135,483.84 and 59,101.92 is: 88,669.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,305.28 : 135,483.84 = 59,101.92 : x
  2. Step 2: Convert to fraction form
    90,305.28/135,483.84 = 59,101.92/x
  3. Step 3: Cross multiply
    90,305.28x = 135,483.84 × 59,101.92
  4. Step 4: Simplify right side
    90,305.28x = 8,007,355,072.97
  5. Step 5: Solve for x
    x = 8,007,355,072.97/90,305.28
  6. Step 6: Final answer
    x = 88,669.84

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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.