Home / 130,674.27-180,385.55-88,290.21

Finding the Fourth Proportional to 130,674.27, 180,385.55 and 88,290.21

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Solution

The fourth proportional to 130,674.27, 180,385.55 and 88,290.21 is: 121,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,674.27 : 180,385.55 = 88,290.21 : x
  2. Step 2: Convert to fraction form
    130,674.27/180,385.55 = 88,290.21/x
  3. Step 3: Cross multiply
    130,674.27x = 180,385.55 × 88,290.21
  4. Step 4: Simplify right side
    130,674.27x = 15,926,278,090.47
  5. Step 5: Solve for x
    x = 15,926,278,090.47/130,674.27
  6. Step 6: Final answer
    x = 121,877.69

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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.