Home / 170,990.48-257,652.86-140,508.56

Finding the Fourth Proportional to 170,990.48, 257,652.86 and 140,508.56

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Solution

The fourth proportional to 170,990.48, 257,652.86 and 140,508.56 is: 211,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,990.48 : 257,652.86 = 140,508.56 : x
  2. Step 2: Convert to fraction form
    170,990.48/257,652.86 = 140,508.56/x
  3. Step 3: Cross multiply
    170,990.48x = 257,652.86 × 140,508.56
  4. Step 4: Simplify right side
    170,990.48x = 36,202,432,338.48
  5. Step 5: Solve for x
    x = 36,202,432,338.48/170,990.48
  6. Step 6: Final answer
    x = 211,721.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.