Home / 106,781.55-147,351.31-59,028.40

Finding the Fourth Proportional to 106,781.55, 147,351.31 and 59,028.40

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Solution

The fourth proportional to 106,781.55, 147,351.31 and 59,028.40 is: 81,455.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,781.55 : 147,351.31 = 59,028.40 : x
  2. Step 2: Convert to fraction form
    106,781.55/147,351.31 = 59,028.40/x
  3. Step 3: Cross multiply
    106,781.55x = 147,351.31 × 59,028.40
  4. Step 4: Simplify right side
    106,781.55x = 8,697,912,067.20
  5. Step 5: Solve for x
    x = 8,697,912,067.20/106,781.55
  6. Step 6: Final answer
    x = 81,455.20

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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.