Home / 126,475.80-174,520.62-69,887.40

Finding the Fourth Proportional to 126,475.80, 174,520.62 and 69,887.40

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Solution

The fourth proportional to 126,475.80, 174,520.62 and 69,887.40 is: 96,435.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,475.80 : 174,520.62 = 69,887.40 : x
  2. Step 2: Convert to fraction form
    126,475.80/174,520.62 = 69,887.40/x
  3. Step 3: Cross multiply
    126,475.80x = 174,520.62 × 69,887.40
  4. Step 4: Simplify right side
    126,475.80x = 12,196,792,378.19
  5. Step 5: Solve for x
    x = 12,196,792,378.19/126,475.80
  6. Step 6: Final answer
    x = 96,435.78

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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.