Home / 126,348.56-174,360.96-72,644.08

Finding the Fourth Proportional to 126,348.56, 174,360.96 and 72,644.08

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Solution

The fourth proportional to 126,348.56, 174,360.96 and 72,644.08 is: 100,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,348.56 : 174,360.96 = 72,644.08 : x
  2. Step 2: Convert to fraction form
    126,348.56/174,360.96 = 72,644.08/x
  3. Step 3: Cross multiply
    126,348.56x = 174,360.96 × 72,644.08
  4. Step 4: Simplify right side
    126,348.56x = 12,666,291,527.12
  5. Step 5: Solve for x
    x = 12,666,291,527.12/126,348.56
  6. Step 6: Final answer
    x = 100,248.80

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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.