Home / 176,727.25-243,881.72-105,105.70

Finding the Fourth Proportional to 176,727.25, 243,881.72 and 105,105.70

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Solution

The fourth proportional to 176,727.25, 243,881.72 and 105,105.70 is: 145,044.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,727.25 : 243,881.72 = 105,105.70 : x
  2. Step 2: Convert to fraction form
    176,727.25/243,881.72 = 105,105.70/x
  3. Step 3: Cross multiply
    176,727.25x = 243,881.72 × 105,105.70
  4. Step 4: Simplify right side
    176,727.25x = 25,633,358,372.28
  5. Step 5: Solve for x
    x = 25,633,358,372.28/176,727.25
  6. Step 6: Final answer
    x = 145,044.74

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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.