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Finding the Fourth Proportional to 141,034.60, 211,580.70 and 47,549.80

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Solution

The fourth proportional to 141,034.60, 211,580.70 and 47,549.80 is: 71,334.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,034.60 : 211,580.70 = 47,549.80 : x
  2. Step 2: Convert to fraction form
    141,034.60/211,580.70 = 47,549.80/x
  3. Step 3: Cross multiply
    141,034.60x = 211,580.70 × 47,549.80
  4. Step 4: Simplify right side
    141,034.60x = 10,060,619,968.86
  5. Step 5: Solve for x
    x = 10,060,619,968.86/141,034.60
  6. Step 6: Final answer
    x = 71,334.41

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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.