Home / 208,845.48-288,203.52-113,351.36

Finding the Fourth Proportional to 208,845.48, 288,203.52 and 113,351.36

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Solution

The fourth proportional to 208,845.48, 288,203.52 and 113,351.36 is: 156,423.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,845.48 : 288,203.52 = 113,351.36 : x
  2. Step 2: Convert to fraction form
    208,845.48/288,203.52 = 113,351.36/x
  3. Step 3: Cross multiply
    208,845.48x = 288,203.52 × 113,351.36
  4. Step 4: Simplify right side
    208,845.48x = 32,668,260,948.79
  5. Step 5: Solve for x
    x = 32,668,260,948.79/208,845.48
  6. Step 6: Final answer
    x = 156,423.12

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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.