Home / 209,223.15-288,724.55-113,732.25

Finding the Fourth Proportional to 209,223.15, 288,724.55 and 113,732.25

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Solution

The fourth proportional to 209,223.15, 288,724.55 and 113,732.25 is: 156,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,223.15 : 288,724.55 = 113,732.25 : x
  2. Step 2: Convert to fraction form
    209,223.15/288,724.55 = 113,732.25/x
  3. Step 3: Cross multiply
    209,223.15x = 288,724.55 × 113,732.25
  4. Step 4: Simplify right side
    209,223.15x = 32,837,292,133.08
  5. Step 5: Solve for x
    x = 32,837,292,133.08/209,223.15
  6. Step 6: Final answer
    x = 156,948.66

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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.