Home / 81,244.16-121,821.58-25,068.92

Finding the Fourth Proportional to 81,244.16, 121,821.58 and 25,068.92

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Solution

The fourth proportional to 81,244.16, 121,821.58 and 25,068.92 is: 37,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,244.16 : 121,821.58 = 25,068.92 : x
  2. Step 2: Convert to fraction form
    81,244.16/121,821.58 = 25,068.92/x
  3. Step 3: Cross multiply
    81,244.16x = 121,821.58 × 25,068.92
  4. Step 4: Simplify right side
    81,244.16x = 3,053,935,443.29
  5. Step 5: Solve for x
    x = 3,053,935,443.29/81,244.16
  6. Step 6: Final answer
    x = 37,589.60

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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.