Home / 103,062.40-154,593.60-31,984.90

Finding the Fourth Proportional to 103,062.40, 154,593.60 and 31,984.90

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Solution

The fourth proportional to 103,062.40, 154,593.60 and 31,984.90 is: 47,977.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,062.40 : 154,593.60 = 31,984.90 : x
  2. Step 2: Convert to fraction form
    103,062.40/154,593.60 = 31,984.90/x
  3. Step 3: Cross multiply
    103,062.40x = 154,593.60 × 31,984.90
  4. Step 4: Simplify right side
    103,062.40x = 4,944,660,836.64
  5. Step 5: Solve for x
    x = 4,944,660,836.64/103,062.40
  6. Step 6: Final answer
    x = 47,977.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.