Home / 140,348.20-211,040.70-117,538.60

Finding the Fourth Proportional to 140,348.20, 211,040.70 and 117,538.60

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Solution

The fourth proportional to 140,348.20, 211,040.70 and 117,538.60 is: 176,742.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,348.20 : 211,040.70 = 117,538.60 : x
  2. Step 2: Convert to fraction form
    140,348.20/211,040.70 = 117,538.60/x
  3. Step 3: Cross multiply
    140,348.20x = 211,040.70 × 117,538.60
  4. Step 4: Simplify right side
    140,348.20x = 24,805,428,421.02
  5. Step 5: Solve for x
    x = 24,805,428,421.02/140,348.20
  6. Step 6: Final answer
    x = 176,742.05

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1.5x scale

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.