Home / 154,800.59-213,625.20-90,314.17

Finding the Fourth Proportional to 154,800.59, 213,625.20 and 90,314.17

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Solution

The fourth proportional to 154,800.59, 213,625.20 and 90,314.17 is: 124,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,800.59 : 213,625.20 = 90,314.17 : x
  2. Step 2: Convert to fraction form
    154,800.59/213,625.20 = 90,314.17/x
  3. Step 3: Cross multiply
    154,800.59x = 213,625.20 × 90,314.17
  4. Step 4: Simplify right side
    154,800.59x = 19,293,382,629.08
  5. Step 5: Solve for x
    x = 19,293,382,629.08/154,800.59
  6. Step 6: Final answer
    x = 124,633.78

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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.