Home / 137,561.20-206,341.80-118,534.30

Finding the Fourth Proportional to 137,561.20, 206,341.80 and 118,534.30

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Solution

The fourth proportional to 137,561.20, 206,341.80 and 118,534.30 is: 177,801.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,561.20 : 206,341.80 = 118,534.30 : x
  2. Step 2: Convert to fraction form
    137,561.20/206,341.80 = 118,534.30/x
  3. Step 3: Cross multiply
    137,561.20x = 206,341.80 × 118,534.30
  4. Step 4: Simplify right side
    137,561.20x = 24,458,580,823.74
  5. Step 5: Solve for x
    x = 24,458,580,823.74/137,561.20
  6. Step 6: Final answer
    x = 177,801.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.