Home / 115,497.40-173,375.70-89,318.20

Finding the Fourth Proportional to 115,497.40, 173,375.70 and 89,318.20

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Solution

The fourth proportional to 115,497.40, 173,375.70 and 89,318.20 is: 134,077.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,497.40 : 173,375.70 = 89,318.20 : x
  2. Step 2: Convert to fraction form
    115,497.40/173,375.70 = 89,318.20/x
  3. Step 3: Cross multiply
    115,497.40x = 173,375.70 × 89,318.20
  4. Step 4: Simplify right side
    115,497.40x = 15,485,605,447.74
  5. Step 5: Solve for x
    x = 15,485,605,447.74/115,497.40
  6. Step 6: Final answer
    x = 134,077.52

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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.