Home / 107,301.59-148,083.26-61,981.48

Finding the Fourth Proportional to 107,301.59, 148,083.26 and 61,981.48

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Solution

The fourth proportional to 107,301.59, 148,083.26 and 61,981.48 is: 85,538.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,301.59 : 148,083.26 = 61,981.48 : x
  2. Step 2: Convert to fraction form
    107,301.59/148,083.26 = 61,981.48/x
  3. Step 3: Cross multiply
    107,301.59x = 148,083.26 × 61,981.48
  4. Step 4: Simplify right side
    107,301.59x = 9,178,419,618.02
  5. Step 5: Solve for x
    x = 9,178,419,618.02/107,301.59
  6. Step 6: Final answer
    x = 85,538.52

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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.