Home / 209,087.02-288,519.24-118,424.88

Finding the Fourth Proportional to 209,087.02, 288,519.24 and 118,424.88

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Solution

The fourth proportional to 209,087.02, 288,519.24 and 118,424.88 is: 163,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,087.02 : 288,519.24 = 118,424.88 : x
  2. Step 2: Convert to fraction form
    209,087.02/288,519.24 = 118,424.88/x
  3. Step 3: Cross multiply
    209,087.02x = 288,519.24 × 118,424.88
  4. Step 4: Simplify right side
    209,087.02x = 34,167,856,374.69
  5. Step 5: Solve for x
    x = 34,167,856,374.69/209,087.02
  6. Step 6: Final answer
    x = 163,414.53

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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.