Home / 115,267.60-172,901.40-68,496.40

Finding the Fourth Proportional to 115,267.60, 172,901.40 and 68,496.40

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Solution

The fourth proportional to 115,267.60, 172,901.40 and 68,496.40 is: 102,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,267.60 : 172,901.40 = 68,496.40 : x
  2. Step 2: Convert to fraction form
    115,267.60/172,901.40 = 68,496.40/x
  3. Step 3: Cross multiply
    115,267.60x = 172,901.40 × 68,496.40
  4. Step 4: Simplify right side
    115,267.60x = 11,843,123,454.96
  5. Step 5: Solve for x
    x = 11,843,123,454.96/115,267.60
  6. Step 6: Final answer
    x = 102,744.60

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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.