Home / 136,834.86-205,246.20-42,061.20

Finding the Fourth Proportional to 136,834.86, 205,246.20 and 42,061.20

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Solution

The fourth proportional to 136,834.86, 205,246.20 and 42,061.20 is: 63,089.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,834.86 : 205,246.20 = 42,061.20 : x
  2. Step 2: Convert to fraction form
    136,834.86/205,246.20 = 42,061.20/x
  3. Step 3: Cross multiply
    136,834.86x = 205,246.20 × 42,061.20
  4. Step 4: Simplify right side
    136,834.86x = 8,632,901,467.44
  5. Step 5: Solve for x
    x = 8,632,901,467.44/136,834.86
  6. Step 6: Final answer
    x = 63,089.93

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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.