Home / 107,321.31-148,110.30-62,001.21

Finding the Fourth Proportional to 107,321.31, 148,110.30 and 62,001.21

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Solution

The fourth proportional to 107,321.31, 148,110.30 and 62,001.21 is: 85,565.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,321.31 : 148,110.30 = 62,001.21 : x
  2. Step 2: Convert to fraction form
    107,321.31/148,110.30 = 62,001.21/x
  3. Step 3: Cross multiply
    107,321.31x = 148,110.30 × 62,001.21
  4. Step 4: Simplify right side
    107,321.31x = 9,183,017,813.46
  5. Step 5: Solve for x
    x = 9,183,017,813.46/107,321.31
  6. Step 6: Final answer
    x = 85,565.65

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1.5x scale

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.