Home / 126,657.38-174,711.02-83,637.26

Finding the Fourth Proportional to 126,657.38, 174,711.02 and 83,637.26

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Solution

The fourth proportional to 126,657.38, 174,711.02 and 83,637.26 is: 115,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,657.38 : 174,711.02 = 83,637.26 : x
  2. Step 2: Convert to fraction form
    126,657.38/174,711.02 = 83,637.26/x
  3. Step 3: Cross multiply
    126,657.38x = 174,711.02 × 83,637.26
  4. Step 4: Simplify right side
    126,657.38x = 14,612,351,004.61
  5. Step 5: Solve for x
    x = 14,612,351,004.61/126,657.38
  6. Step 6: Final answer
    x = 115,369.12

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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.