Home / 141,100.80-211,478.40-62,131.20

Finding the Fourth Proportional to 141,100.80, 211,478.40 and 62,131.20

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Solution

The fourth proportional to 141,100.80, 211,478.40 and 62,131.20 is: 93,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,100.80 : 211,478.40 = 62,131.20 : x
  2. Step 2: Convert to fraction form
    141,100.80/211,478.40 = 62,131.20/x
  3. Step 3: Cross multiply
    141,100.80x = 211,478.40 × 62,131.20
  4. Step 4: Simplify right side
    141,100.80x = 13,139,406,766.08
  5. Step 5: Solve for x
    x = 13,139,406,766.08/141,100.80
  6. Step 6: Final answer
    x = 93,120.71

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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.