Home / 209,042.64-288,474.06-113,547.24

Finding the Fourth Proportional to 209,042.64, 288,474.06 and 113,547.24

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Solution

The fourth proportional to 209,042.64, 288,474.06 and 113,547.24 is: 156,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,042.64 : 288,474.06 = 113,547.24 : x
  2. Step 2: Convert to fraction form
    209,042.64/288,474.06 = 113,547.24/x
  3. Step 3: Cross multiply
    209,042.64x = 288,474.06 × 113,547.24
  4. Step 4: Simplify right side
    209,042.64x = 32,755,433,324.59
  5. Step 5: Solve for x
    x = 32,755,433,324.59/209,042.64
  6. Step 6: Final answer
    x = 156,692.59

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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.