Home / 126,728.07-174,877.26-69,356.08

Finding the Fourth Proportional to 126,728.07, 174,877.26 and 69,356.08

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Solution

The fourth proportional to 126,728.07, 174,877.26 and 69,356.08 is: 95,707.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,728.07 : 174,877.26 = 69,356.08 : x
  2. Step 2: Convert to fraction form
    126,728.07/174,877.26 = 69,356.08/x
  3. Step 3: Cross multiply
    126,728.07x = 174,877.26 × 69,356.08
  4. Step 4: Simplify right side
    126,728.07x = 12,128,800,360.35
  5. Step 5: Solve for x
    x = 12,128,800,360.35/126,728.07
  6. Step 6: Final answer
    x = 95,707.29

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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.