Home / 123,815.86-170,876.46-70,110.34

Finding the Fourth Proportional to 123,815.86, 170,876.46 and 70,110.34

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Solution

The fourth proportional to 123,815.86, 170,876.46 and 70,110.34 is: 96,758.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,815.86 : 170,876.46 = 70,110.34 : x
  2. Step 2: Convert to fraction form
    123,815.86/170,876.46 = 70,110.34/x
  3. Step 3: Cross multiply
    123,815.86x = 170,876.46 × 70,110.34
  4. Step 4: Simplify right side
    123,815.86x = 11,980,206,708.60
  5. Step 5: Solve for x
    x = 11,980,206,708.60/123,815.86
  6. Step 6: Final answer
    x = 96,758.26

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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.