Home / 134,945.40-202,320.90-75,799.20

Finding the Fourth Proportional to 134,945.40, 202,320.90 and 75,799.20

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Solution

The fourth proportional to 134,945.40, 202,320.90 and 75,799.20 is: 113,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,945.40 : 202,320.90 = 75,799.20 : x
  2. Step 2: Convert to fraction form
    134,945.40/202,320.90 = 75,799.20/x
  3. Step 3: Cross multiply
    134,945.40x = 202,320.90 × 75,799.20
  4. Step 4: Simplify right side
    134,945.40x = 15,335,762,363.28
  5. Step 5: Solve for x
    x = 15,335,762,363.28/134,945.40
  6. Step 6: Final answer
    x = 113,644.20

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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.