Home / 176,195.06-243,145.72-99,712.74

Finding the Fourth Proportional to 176,195.06, 243,145.72 and 99,712.74

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Solution

The fourth proportional to 176,195.06, 243,145.72 and 99,712.74 is: 137,601.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,195.06 : 243,145.72 = 99,712.74 : x
  2. Step 2: Convert to fraction form
    176,195.06/243,145.72 = 99,712.74/x
  3. Step 3: Cross multiply
    176,195.06x = 243,145.72 × 99,712.74
  4. Step 4: Simplify right side
    176,195.06x = 24,244,725,960.47
  5. Step 5: Solve for x
    x = 24,244,725,960.47/176,195.06
  6. Step 6: Final answer
    x = 137,601.62

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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.