Home / 170,174.31-234,826.18-100,312.48

Finding the Fourth Proportional to 170,174.31, 234,826.18 and 100,312.48

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Solution

The fourth proportional to 170,174.31, 234,826.18 and 100,312.48 is: 138,422.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,174.31 : 234,826.18 = 100,312.48 : x
  2. Step 2: Convert to fraction form
    170,174.31/234,826.18 = 100,312.48/x
  3. Step 3: Cross multiply
    170,174.31x = 234,826.18 × 100,312.48
  4. Step 4: Simplify right side
    170,174.31x = 23,555,996,484.73
  5. Step 5: Solve for x
    x = 23,555,996,484.73/170,174.31
  6. Step 6: Final answer
    x = 138,422.75

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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.