Home / 170,423.82-235,610.02-127,908.54

Finding the Fourth Proportional to 170,423.82, 235,610.02 and 127,908.54

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Solution

The fourth proportional to 170,423.82, 235,610.02 and 127,908.54 is: 176,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,423.82 : 235,610.02 = 127,908.54 : x
  2. Step 2: Convert to fraction form
    170,423.82/235,610.02 = 127,908.54/x
  3. Step 3: Cross multiply
    170,423.82x = 235,610.02 × 127,908.54
  4. Step 4: Simplify right side
    170,423.82x = 30,136,532,169.75
  5. Step 5: Solve for x
    x = 30,136,532,169.75/170,423.82
  6. Step 6: Final answer
    x = 176,832.87

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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.