Home / 208,829.52-288,184.92-113,336.20

Finding the Fourth Proportional to 208,829.52, 288,184.92 and 113,336.20

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Solution

The fourth proportional to 208,829.52, 288,184.92 and 113,336.20 is: 156,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,829.52 : 288,184.92 = 113,336.20 : x
  2. Step 2: Convert to fraction form
    208,829.52/288,184.92 = 113,336.20/x
  3. Step 3: Cross multiply
    208,829.52x = 288,184.92 × 113,336.20
  4. Step 4: Simplify right side
    208,829.52x = 32,661,783,730.10
  5. Step 5: Solve for x
    x = 32,661,783,730.10/208,829.52
  6. Step 6: Final answer
    x = 156,404.05

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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.