Home / 124,620.76-186,920.61-40,379.14

Finding the Fourth Proportional to 124,620.76, 186,920.61 and 40,379.14

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Solution

The fourth proportional to 124,620.76, 186,920.61 and 40,379.14 is: 60,565.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,620.76 : 186,920.61 = 40,379.14 : x
  2. Step 2: Convert to fraction form
    124,620.76/186,920.61 = 40,379.14/x
  3. Step 3: Cross multiply
    124,620.76x = 186,920.61 × 40,379.14
  4. Step 4: Simplify right side
    124,620.76x = 7,547,693,480.08
  5. Step 5: Solve for x
    x = 7,547,693,480.08/124,620.76
  6. Step 6: Final answer
    x = 60,565.30

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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.