Home / 170,743.89-235,407.51-140,003.72

Finding the Fourth Proportional to 170,743.89, 235,407.51 and 140,003.72

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Solution

The fourth proportional to 170,743.89, 235,407.51 and 140,003.72 is: 193,025.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,743.89 : 235,407.51 = 140,003.72 : x
  2. Step 2: Convert to fraction form
    170,743.89/235,407.51 = 140,003.72/x
  3. Step 3: Cross multiply
    170,743.89x = 235,407.51 × 140,003.72
  4. Step 4: Simplify right side
    170,743.89x = 32,957,925,938.90
  5. Step 5: Solve for x
    x = 32,957,925,938.90/170,743.89
  6. Step 6: Final answer
    x = 193,025.51

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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.