Home / 247,720.32-341,995.68-163,083.42

Finding the Fourth Proportional to 247,720.32, 341,995.68 and 163,083.42

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Solution

The fourth proportional to 247,720.32, 341,995.68 and 163,083.42 is: 225,148.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,720.32 : 341,995.68 = 163,083.42 : x
  2. Step 2: Convert to fraction form
    247,720.32/341,995.68 = 163,083.42/x
  3. Step 3: Cross multiply
    247,720.32x = 341,995.68 × 163,083.42
  4. Step 4: Simplify right side
    247,720.32x = 55,773,825,119.63
  5. Step 5: Solve for x
    x = 55,773,825,119.63/247,720.32
  6. Step 6: Final answer
    x = 225,148.37

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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.