Home / 247,942.32-342,158.36-134,764.72

Finding the Fourth Proportional to 247,942.32, 342,158.36 and 134,764.72

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Solution

The fourth proportional to 247,942.32, 342,158.36 and 134,764.72 is: 185,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,942.32 : 342,158.36 = 134,764.72 : x
  2. Step 2: Convert to fraction form
    247,942.32/342,158.36 = 134,764.72/x
  3. Step 3: Cross multiply
    247,942.32x = 342,158.36 × 134,764.72
  4. Step 4: Simplify right side
    247,942.32x = 46,110,875,581.06
  5. Step 5: Solve for x
    x = 46,110,875,581.06/247,942.32
  6. Step 6: Final answer
    x = 185,974.20

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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.