Home / 151,938.04-209,424.42-107,750.38

Finding the Fourth Proportional to 151,938.04, 209,424.42 and 107,750.38

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Solution

The fourth proportional to 151,938.04, 209,424.42 and 107,750.38 is: 148,518.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,938.04 : 209,424.42 = 107,750.38 : x
  2. Step 2: Convert to fraction form
    151,938.04/209,424.42 = 107,750.38/x
  3. Step 3: Cross multiply
    151,938.04x = 209,424.42 × 107,750.38
  4. Step 4: Simplify right side
    151,938.04x = 22,565,560,836.28
  5. Step 5: Solve for x
    x = 22,565,560,836.28/151,938.04
  6. Step 6: Final answer
    x = 148,518.18

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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.