Home / 103,017.38-154,276.94-89,067.06

Finding the Fourth Proportional to 103,017.38, 154,276.94 and 89,067.06

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Solution

The fourth proportional to 103,017.38, 154,276.94 and 89,067.06 is: 133,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,017.38 : 154,276.94 = 89,067.06 : x
  2. Step 2: Convert to fraction form
    103,017.38/154,276.94 = 89,067.06/x
  3. Step 3: Cross multiply
    103,017.38x = 154,276.94 × 89,067.06
  4. Step 4: Simplify right side
    103,017.38x = 13,740,993,694.26
  5. Step 5: Solve for x
    x = 13,740,993,694.26/103,017.38
  6. Step 6: Final answer
    x = 133,385.20

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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.