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Finding the Fourth Proportional to 169,102.38, 232,830.18 and 143,555.79

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Solution

The fourth proportional to 169,102.38, 232,830.18 and 143,555.79 is: 197,656.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,102.38 : 232,830.18 = 143,555.79 : x
  2. Step 2: Convert to fraction form
    169,102.38/232,830.18 = 143,555.79/x
  3. Step 3: Cross multiply
    169,102.38x = 232,830.18 × 143,555.79
  4. Step 4: Simplify right side
    169,102.38x = 33,424,120,425.74
  5. Step 5: Solve for x
    x = 33,424,120,425.74/169,102.38
  6. Step 6: Final answer
    x = 197,656.12

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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.