Home / 90,801.45-136,202.17-40,872.24

Finding the Fourth Proportional to 90,801.45, 136,202.17 and 40,872.24

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Solution

The fourth proportional to 90,801.45, 136,202.17 and 40,872.24 is: 61,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,801.45 : 136,202.17 = 40,872.24 : x
  2. Step 2: Convert to fraction form
    90,801.45/136,202.17 = 40,872.24/x
  3. Step 3: Cross multiply
    90,801.45x = 136,202.17 × 40,872.24
  4. Step 4: Simplify right side
    90,801.45x = 5,566,886,895.39
  5. Step 5: Solve for x
    x = 5,566,886,895.39/90,801.45
  6. Step 6: Final answer
    x = 61,308.35

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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.