Home / 134,227.20-201,494.40-78,854.40

Finding the Fourth Proportional to 134,227.20, 201,494.40 and 78,854.40

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Solution

The fourth proportional to 134,227.20, 201,494.40 and 78,854.40 is: 118,371.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,227.20 : 201,494.40 = 78,854.40 : x
  2. Step 2: Convert to fraction form
    134,227.20/201,494.40 = 78,854.40/x
  3. Step 3: Cross multiply
    134,227.20x = 201,494.40 × 78,854.40
  4. Step 4: Simplify right side
    134,227.20x = 15,888,720,015.36
  5. Step 5: Solve for x
    x = 15,888,720,015.36/134,227.20
  6. Step 6: Final answer
    x = 118,371.84

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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.