Home / 176,088.10-243,044.94-108,121.36

Finding the Fourth Proportional to 176,088.10, 243,044.94 and 108,121.36

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Solution

The fourth proportional to 176,088.10, 243,044.94 and 108,121.36 is: 149,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,088.10 : 243,044.94 = 108,121.36 : x
  2. Step 2: Convert to fraction form
    176,088.10/243,044.94 = 108,121.36/x
  3. Step 3: Cross multiply
    176,088.10x = 243,044.94 × 108,121.36
  4. Step 4: Simplify right side
    176,088.10x = 26,278,349,453.92
  5. Step 5: Solve for x
    x = 26,278,349,453.92/176,088.10
  6. Step 6: Final answer
    x = 149,234.10

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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.