Home / 126,585.82-174,687.96-71,390.76

Finding the Fourth Proportional to 126,585.82, 174,687.96 and 71,390.76

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Solution

The fourth proportional to 126,585.82, 174,687.96 and 71,390.76 is: 98,518.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,585.82 : 174,687.96 = 71,390.76 : x
  2. Step 2: Convert to fraction form
    126,585.82/174,687.96 = 71,390.76/x
  3. Step 3: Cross multiply
    126,585.82x = 174,687.96 × 71,390.76
  4. Step 4: Simplify right side
    126,585.82x = 12,471,106,227.25
  5. Step 5: Solve for x
    x = 12,471,106,227.25/126,585.82
  6. Step 6: Final answer
    x = 98,518.98

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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.