Home / 106,604.38-147,108.78-61,250.25

Finding the Fourth Proportional to 106,604.38, 147,108.78 and 61,250.25

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Solution

The fourth proportional to 106,604.38, 147,108.78 and 61,250.25 is: 84,522.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,604.38 : 147,108.78 = 61,250.25 : x
  2. Step 2: Convert to fraction form
    106,604.38/147,108.78 = 61,250.25/x
  3. Step 3: Cross multiply
    106,604.38x = 147,108.78 × 61,250.25
  4. Step 4: Simplify right side
    106,604.38x = 9,010,449,552.20
  5. Step 5: Solve for x
    x = 9,010,449,552.20/106,604.38
  6. Step 6: Final answer
    x = 84,522.32

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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.