Home / 115,340.28-159,171.66-67,607.16

Finding the Fourth Proportional to 115,340.28, 159,171.66 and 67,607.16

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Solution

The fourth proportional to 115,340.28, 159,171.66 and 67,607.16 is: 93,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,340.28 : 159,171.66 = 67,607.16 : x
  2. Step 2: Convert to fraction form
    115,340.28/159,171.66 = 67,607.16/x
  3. Step 3: Cross multiply
    115,340.28x = 159,171.66 × 67,607.16
  4. Step 4: Simplify right side
    115,340.28x = 10,761,143,885.09
  5. Step 5: Solve for x
    x = 10,761,143,885.09/115,340.28
  6. Step 6: Final answer
    x = 93,299.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.