Home / 207,760.50-286,660.65-126,086.94

Finding the Fourth Proportional to 207,760.50, 286,660.65 and 126,086.94

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Solution

The fourth proportional to 207,760.50, 286,660.65 and 126,086.94 is: 173,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,760.50 : 286,660.65 = 126,086.94 : x
  2. Step 2: Convert to fraction form
    207,760.50/286,660.65 = 126,086.94/x
  3. Step 3: Cross multiply
    207,760.50x = 286,660.65 × 126,086.94
  4. Step 4: Simplify right side
    207,760.50x = 36,144,164,334.52
  5. Step 5: Solve for x
    x = 36,144,164,334.52/207,760.50
  6. Step 6: Final answer
    x = 173,970.34

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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.