Home / 126,250.06-174,228.70-69,665.08

Finding the Fourth Proportional to 126,250.06, 174,228.70 and 69,665.08

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Solution

The fourth proportional to 126,250.06, 174,228.70 and 69,665.08 is: 96,139.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,250.06 : 174,228.70 = 69,665.08 : x
  2. Step 2: Convert to fraction form
    126,250.06/174,228.70 = 69,665.08/x
  3. Step 3: Cross multiply
    126,250.06x = 174,228.70 × 69,665.08
  4. Step 4: Simplify right side
    126,250.06x = 12,137,656,323.80
  5. Step 5: Solve for x
    x = 12,137,656,323.80/126,250.06
  6. Step 6: Final answer
    x = 96,139.81

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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.