Home / 140,659.20-209,779.20-118,195.20

Finding the Fourth Proportional to 140,659.20, 209,779.20 and 118,195.20

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Solution

The fourth proportional to 140,659.20, 209,779.20 and 118,195.20 is: 176,276.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,659.20 : 209,779.20 = 118,195.20 : x
  2. Step 2: Convert to fraction form
    140,659.20/209,779.20 = 118,195.20/x
  3. Step 3: Cross multiply
    140,659.20x = 209,779.20 × 118,195.20
  4. Step 4: Simplify right side
    140,659.20x = 24,794,894,499.84
  5. Step 5: Solve for x
    x = 24,794,894,499.84/140,659.20
  6. Step 6: Final answer
    x = 176,276.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.