Home / 144,618.20-217,445.70-121,808.60

Finding the Fourth Proportional to 144,618.20, 217,445.70 and 121,808.60

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Solution

The fourth proportional to 144,618.20, 217,445.70 and 121,808.60 is: 183,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,618.20 : 217,445.70 = 121,808.60 : x
  2. Step 2: Convert to fraction form
    144,618.20/217,445.70 = 121,808.60/x
  3. Step 3: Cross multiply
    144,618.20x = 217,445.70 × 121,808.60
  4. Step 4: Simplify right side
    144,618.20x = 26,486,756,293.02
  5. Step 5: Solve for x
    x = 26,486,756,293.02/144,618.20
  6. Step 6: Final answer
    x = 183,149.54

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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.