Home / 141,003.60-211,534.20-47,518.80

Finding the Fourth Proportional to 141,003.60, 211,534.20 and 47,518.80

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Solution

The fourth proportional to 141,003.60, 211,534.20 and 47,518.80 is: 71,287.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,003.60 : 211,534.20 = 47,518.80 : x
  2. Step 2: Convert to fraction form
    141,003.60/211,534.20 = 47,518.80/x
  3. Step 3: Cross multiply
    141,003.60x = 211,534.20 × 47,518.80
  4. Step 4: Simplify right side
    141,003.60x = 10,051,851,342.96
  5. Step 5: Solve for x
    x = 10,051,851,342.96/141,003.60
  6. Step 6: Final answer
    x = 71,287.91

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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.