Home / 89,533.32-134,040.60-67,439.76

Finding the Fourth Proportional to 89,533.32, 134,040.60 and 67,439.76

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Solution

The fourth proportional to 89,533.32, 134,040.60 and 67,439.76 is: 100,964.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,533.32 : 134,040.60 = 67,439.76 : x
  2. Step 2: Convert to fraction form
    89,533.32/134,040.60 = 67,439.76/x
  3. Step 3: Cross multiply
    89,533.32x = 134,040.60 × 67,439.76
  4. Step 4: Simplify right side
    89,533.32x = 9,039,665,894.26
  5. Step 5: Solve for x
    x = 9,039,665,894.26/89,533.32
  6. Step 6: Final answer
    x = 100,964.27

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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.