Home / 179,055.38-268,581.51-72,438.10

Finding the Fourth Proportional to 179,055.38, 268,581.51 and 72,438.10

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Solution

The fourth proportional to 179,055.38, 268,581.51 and 72,438.10 is: 108,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,055.38 : 268,581.51 = 72,438.10 : x
  2. Step 2: Convert to fraction form
    179,055.38/268,581.51 = 72,438.10/x
  3. Step 3: Cross multiply
    179,055.38x = 268,581.51 × 72,438.10
  4. Step 4: Simplify right side
    179,055.38x = 19,455,533,608.08
  5. Step 5: Solve for x
    x = 19,455,533,608.08/179,055.38
  6. Step 6: Final answer
    x = 108,656.51

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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.