Home / 209,452.80-289,036.22-113,959.87

Finding the Fourth Proportional to 209,452.80, 289,036.22 and 113,959.87

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Solution

The fourth proportional to 209,452.80, 289,036.22 and 113,959.87 is: 157,259.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,452.80 : 289,036.22 = 113,959.87 : x
  2. Step 2: Convert to fraction form
    209,452.80/289,036.22 = 113,959.87/x
  3. Step 3: Cross multiply
    209,452.80x = 289,036.22 × 113,959.87
  4. Step 4: Simplify right side
    209,452.80x = 32,938,530,056.49
  5. Step 5: Solve for x
    x = 32,938,530,056.49/209,452.80
  6. Step 6: Final answer
    x = 157,259.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.