Home / 107,256.92-148,036.10-61,942.28

Finding the Fourth Proportional to 107,256.92, 148,036.10 and 61,942.28

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Solution

The fourth proportional to 107,256.92, 148,036.10 and 61,942.28 is: 85,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,256.92 : 148,036.10 = 61,942.28 : x
  2. Step 2: Convert to fraction form
    107,256.92/148,036.10 = 61,942.28/x
  3. Step 3: Cross multiply
    107,256.92x = 148,036.10 × 61,942.28
  4. Step 4: Simplify right side
    107,256.92x = 9,169,693,616.69
  5. Step 5: Solve for x
    x = 9,169,693,616.69/107,256.92
  6. Step 6: Final answer
    x = 85,492.79

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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.