Home / 141,079.20-211,618.80-71,095.20

Finding the Fourth Proportional to 141,079.20, 211,618.80 and 71,095.20

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Solution

The fourth proportional to 141,079.20, 211,618.80 and 71,095.20 is: 106,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,079.20 : 211,618.80 = 71,095.20 : x
  2. Step 2: Convert to fraction form
    141,079.20/211,618.80 = 71,095.20/x
  3. Step 3: Cross multiply
    141,079.20x = 211,618.80 × 71,095.20
  4. Step 4: Simplify right side
    141,079.20x = 15,045,080,909.76
  5. Step 5: Solve for x
    x = 15,045,080,909.76/141,079.20
  6. Step 6: Final answer
    x = 106,642.80

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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.