Home / 208,940.04-288,338.76-113,446.80

Finding the Fourth Proportional to 208,940.04, 288,338.76 and 113,446.80

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Solution

The fourth proportional to 208,940.04, 288,338.76 and 113,446.80 is: 156,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,940.04 : 288,338.76 = 113,446.80 : x
  2. Step 2: Convert to fraction form
    208,940.04/288,338.76 = 113,446.80/x
  3. Step 3: Cross multiply
    208,940.04x = 288,338.76 × 113,446.80
  4. Step 4: Simplify right side
    208,940.04x = 32,711,109,637.97
  5. Step 5: Solve for x
    x = 32,711,109,637.97/208,940.04
  6. Step 6: Final answer
    x = 156,557.40

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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.