Home / 126,725.82-174,875.40-72,280.14

Finding the Fourth Proportional to 126,725.82, 174,875.40 and 72,280.14

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Solution

The fourth proportional to 126,725.82, 174,875.40 and 72,280.14 is: 99,743.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,725.82 : 174,875.40 = 72,280.14 : x
  2. Step 2: Convert to fraction form
    126,725.82/174,875.40 = 72,280.14/x
  3. Step 3: Cross multiply
    126,725.82x = 174,875.40 × 72,280.14
  4. Step 4: Simplify right side
    126,725.82x = 12,640,018,394.56
  5. Step 5: Solve for x
    x = 12,640,018,394.56/126,725.82
  6. Step 6: Final answer
    x = 99,743.04

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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.