Home / 81,160.45-121,752.18-25,005.11

Finding the Fourth Proportional to 81,160.45, 121,752.18 and 25,005.11

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Solution

The fourth proportional to 81,160.45, 121,752.18 and 25,005.11 is: 37,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,160.45 : 121,752.18 = 25,005.11 : x
  2. Step 2: Convert to fraction form
    81,160.45/121,752.18 = 25,005.11/x
  3. Step 3: Cross multiply
    81,160.45x = 121,752.18 × 25,005.11
  4. Step 4: Simplify right side
    81,160.45x = 3,044,426,044.88
  5. Step 5: Solve for x
    x = 3,044,426,044.88/81,160.45
  6. Step 6: Final answer
    x = 37,511.20

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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.