Home / 99,717.86-149,565.86-49,788.66

Finding the Fourth Proportional to 99,717.86, 149,565.86 and 49,788.66

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Solution

The fourth proportional to 99,717.86, 149,565.86 and 49,788.66 is: 74,677.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,717.86 : 149,565.86 = 49,788.66 : x
  2. Step 2: Convert to fraction form
    99,717.86/149,565.86 = 49,788.66/x
  3. Step 3: Cross multiply
    99,717.86x = 149,565.86 × 49,788.66
  4. Step 4: Simplify right side
    99,717.86x = 7,446,683,751.15
  5. Step 5: Solve for x
    x = 7,446,683,751.15/99,717.86
  6. Step 6: Final answer
    x = 74,677.53

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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.