Home / 170,138.55-234,779.13-101,224.20

Finding the Fourth Proportional to 170,138.55, 234,779.13 and 101,224.20

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Solution

The fourth proportional to 170,138.55, 234,779.13 and 101,224.20 is: 139,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,138.55 : 234,779.13 = 101,224.20 : x
  2. Step 2: Convert to fraction form
    170,138.55/234,779.13 = 101,224.20/x
  3. Step 3: Cross multiply
    170,138.55x = 234,779.13 × 101,224.20
  4. Step 4: Simplify right side
    170,138.55x = 23,765,329,610.95
  5. Step 5: Solve for x
    x = 23,765,329,610.95/170,138.55
  6. Step 6: Final answer
    x = 139,682.22

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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.