Home / 209,244.48-288,763.02-113,757.72

Finding the Fourth Proportional to 209,244.48, 288,763.02 and 113,757.72

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Solution

The fourth proportional to 209,244.48, 288,763.02 and 113,757.72 is: 156,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,244.48 : 288,763.02 = 113,757.72 : x
  2. Step 2: Convert to fraction form
    209,244.48/288,763.02 = 113,757.72/x
  3. Step 3: Cross multiply
    209,244.48x = 288,763.02 × 113,757.72
  4. Step 4: Simplify right side
    209,244.48x = 32,849,022,775.51
  5. Step 5: Solve for x
    x = 32,849,022,775.51/209,244.48
  6. Step 6: Final answer
    x = 156,988.72

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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.