Home / 170,177.50-255,352.38-70,409.29

Finding the Fourth Proportional to 170,177.50, 255,352.38 and 70,409.29

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Solution

The fourth proportional to 170,177.50, 255,352.38 and 70,409.29 is: 105,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,177.50 : 255,352.38 = 70,409.29 : x
  2. Step 2: Convert to fraction form
    170,177.50/255,352.38 = 70,409.29/x
  3. Step 3: Cross multiply
    170,177.50x = 255,352.38 × 70,409.29
  4. Step 4: Simplify right side
    170,177.50x = 17,979,179,775.61
  5. Step 5: Solve for x
    x = 17,979,179,775.61/170,177.50
  6. Step 6: Final answer
    x = 105,649.57

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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.