Home / 208,860.90-288,227.07-113,366.76

Finding the Fourth Proportional to 208,860.90, 288,227.07 and 113,366.76

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Solution

The fourth proportional to 208,860.90, 288,227.07 and 113,366.76 is: 156,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,860.90 : 288,227.07 = 113,366.76 : x
  2. Step 2: Convert to fraction form
    208,860.90/288,227.07 = 113,366.76/x
  3. Step 3: Cross multiply
    208,860.90x = 288,227.07 × 113,366.76
  4. Step 4: Simplify right side
    208,860.90x = 32,675,369,070.19
  5. Step 5: Solve for x
    x = 32,675,369,070.19/208,860.90
  6. Step 6: Final answer
    x = 156,445.60

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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.