Home / 126,056.40-173,966.04-72,358.80

Finding the Fourth Proportional to 126,056.40, 173,966.04 and 72,358.80

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Solution

The fourth proportional to 126,056.40, 173,966.04 and 72,358.80 is: 99,859.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,056.40 : 173,966.04 = 72,358.80 : x
  2. Step 2: Convert to fraction form
    126,056.40/173,966.04 = 72,358.80/x
  3. Step 3: Cross multiply
    126,056.40x = 173,966.04 × 72,358.80
  4. Step 4: Simplify right side
    126,056.40x = 12,587,973,895.15
  5. Step 5: Solve for x
    x = 12,587,973,895.15/126,056.40
  6. Step 6: Final answer
    x = 99,859.86

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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.