Home / 247,100.12-340,995.12-133,920.44

Finding the Fourth Proportional to 247,100.12, 340,995.12 and 133,920.44

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Solution

The fourth proportional to 247,100.12, 340,995.12 and 133,920.44 is: 184,808.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,100.12 : 340,995.12 = 133,920.44 : x
  2. Step 2: Convert to fraction form
    247,100.12/340,995.12 = 133,920.44/x
  3. Step 3: Cross multiply
    247,100.12x = 340,995.12 × 133,920.44
  4. Step 4: Simplify right side
    247,100.12x = 45,666,216,508.25
  5. Step 5: Solve for x
    x = 45,666,216,508.25/247,100.12
  6. Step 6: Final answer
    x = 184,808.56

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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.