Home / 126,851.60-175,011.73-72,364.61

Finding the Fourth Proportional to 126,851.60, 175,011.73 and 72,364.61

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Solution

The fourth proportional to 126,851.60, 175,011.73 and 72,364.61 is: 99,838.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,851.60 : 175,011.73 = 72,364.61 : x
  2. Step 2: Convert to fraction form
    126,851.60/175,011.73 = 72,364.61/x
  3. Step 3: Cross multiply
    126,851.60x = 175,011.73 × 72,364.61
  4. Step 4: Simplify right side
    126,851.60x = 12,664,655,843.49
  5. Step 5: Solve for x
    x = 12,664,655,843.49/126,851.60
  6. Step 6: Final answer
    x = 99,838.36

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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.