Home / 180,330.17-270,421.47-80,422.07

Finding the Fourth Proportional to 180,330.17, 270,421.47 and 80,422.07

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Solution

The fourth proportional to 180,330.17, 270,421.47 and 80,422.07 is: 120,600.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,330.17 : 270,421.47 = 80,422.07 : x
  2. Step 2: Convert to fraction form
    180,330.17/270,421.47 = 80,422.07/x
  3. Step 3: Cross multiply
    180,330.17x = 270,421.47 × 80,422.07
  4. Step 4: Simplify right side
    180,330.17x = 21,747,853,037.74
  5. Step 5: Solve for x
    x = 21,747,853,037.74/180,330.17
  6. Step 6: Final answer
    x = 120,600.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.