Home / 126,833.60-175,033.28-69,478.40

Finding the Fourth Proportional to 126,833.60, 175,033.28 and 69,478.40

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Solution

The fourth proportional to 126,833.60, 175,033.28 and 69,478.40 is: 95,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,833.60 : 175,033.28 = 69,478.40 : x
  2. Step 2: Convert to fraction form
    126,833.60/175,033.28 = 69,478.40/x
  3. Step 3: Cross multiply
    126,833.60x = 175,033.28 × 69,478.40
  4. Step 4: Simplify right side
    126,833.60x = 12,161,032,241.15
  5. Step 5: Solve for x
    x = 12,161,032,241.15/126,833.60
  6. Step 6: Final answer
    x = 95,881.79

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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.