Home / 170,930.70-255,897.75-99,635.22

Finding the Fourth Proportional to 170,930.70, 255,897.75 and 99,635.22

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Solution

The fourth proportional to 170,930.70, 255,897.75 and 99,635.22 is: 149,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,930.70 : 255,897.75 = 99,635.22 : x
  2. Step 2: Convert to fraction form
    170,930.70/255,897.75 = 99,635.22/x
  3. Step 3: Cross multiply
    170,930.70x = 255,897.75 × 99,635.22
  4. Step 4: Simplify right side
    170,930.70x = 25,496,428,618.76
  5. Step 5: Solve for x
    x = 25,496,428,618.76/170,930.70
  6. Step 6: Final answer
    x = 149,162.37

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1.5x scale

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.