Home / 126,248.28-174,220.32-71,810.40

Finding the Fourth Proportional to 126,248.28, 174,220.32 and 71,810.40

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Solution

The fourth proportional to 126,248.28, 174,220.32 and 71,810.40 is: 99,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,248.28 : 174,220.32 = 71,810.40 : x
  2. Step 2: Convert to fraction form
    126,248.28/174,220.32 = 71,810.40/x
  3. Step 3: Cross multiply
    126,248.28x = 174,220.32 × 71,810.40
  4. Step 4: Simplify right side
    126,248.28x = 12,510,830,867.33
  5. Step 5: Solve for x
    x = 12,510,830,867.33/126,248.28
  6. Step 6: Final answer
    x = 99,097.04

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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.