Home / 179,106.60-268,595.10-72,445.80

Finding the Fourth Proportional to 179,106.60, 268,595.10 and 72,445.80

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Solution

The fourth proportional to 179,106.60, 268,595.10 and 72,445.80 is: 108,642.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,106.60 : 268,595.10 = 72,445.80 : x
  2. Step 2: Convert to fraction form
    179,106.60/268,595.10 = 72,445.80/x
  3. Step 3: Cross multiply
    179,106.60x = 268,595.10 × 72,445.80
  4. Step 4: Simplify right side
    179,106.60x = 19,458,586,895.58
  5. Step 5: Solve for x
    x = 19,458,586,895.58/179,106.60
  6. Step 6: Final answer
    x = 108,642.49

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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.