Home / 148,338.83-204,707.82-87,939.16

Finding the Fourth Proportional to 148,338.83, 204,707.82 and 87,939.16

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Solution

The fourth proportional to 148,338.83, 204,707.82 and 87,939.16 is: 121,356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,338.83 : 204,707.82 = 87,939.16 : x
  2. Step 2: Convert to fraction form
    148,338.83/204,707.82 = 87,939.16/x
  3. Step 3: Cross multiply
    148,338.83x = 204,707.82 × 87,939.16
  4. Step 4: Simplify right side
    148,338.83x = 18,001,833,554.23
  5. Step 5: Solve for x
    x = 18,001,833,554.23/148,338.83
  6. Step 6: Final answer
    x = 121,356.18

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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.