Home / 113,421.40-170,157.92-34,541.78

Finding the Fourth Proportional to 113,421.40, 170,157.92 and 34,541.78

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Solution

The fourth proportional to 113,421.40, 170,157.92 and 34,541.78 is: 51,820.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,421.40 : 170,157.92 = 34,541.78 : x
  2. Step 2: Convert to fraction form
    113,421.40/170,157.92 = 34,541.78/x
  3. Step 3: Cross multiply
    113,421.40x = 170,157.92 × 34,541.78
  4. Step 4: Simplify right side
    113,421.40x = 5,877,556,414.40
  5. Step 5: Solve for x
    x = 5,877,556,414.40/113,421.40
  6. Step 6: Final answer
    x = 51,820.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.