Home / 176,743.26-243,825.12-105,082.56

Finding the Fourth Proportional to 176,743.26, 243,825.12 and 105,082.56

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Solution

The fourth proportional to 176,743.26, 243,825.12 and 105,082.56 is: 144,966.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,743.26 : 243,825.12 = 105,082.56 : x
  2. Step 2: Convert to fraction form
    176,743.26/243,825.12 = 105,082.56/x
  3. Step 3: Cross multiply
    176,743.26x = 243,825.12 × 105,082.56
  4. Step 4: Simplify right side
    176,743.26x = 25,621,767,801.91
  5. Step 5: Solve for x
    x = 25,621,767,801.91/176,743.26
  6. Step 6: Final answer
    x = 144,966.02

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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.