Home / 123,829.32-170,890.20-70,107.24

Finding the Fourth Proportional to 123,829.32, 170,890.20 and 70,107.24

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Solution

The fourth proportional to 123,829.32, 170,890.20 and 70,107.24 is: 96,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,829.32 : 170,890.20 = 70,107.24 : x
  2. Step 2: Convert to fraction form
    123,829.32/170,890.20 = 70,107.24/x
  3. Step 3: Cross multiply
    123,829.32x = 170,890.20 × 70,107.24
  4. Step 4: Simplify right side
    123,829.32x = 11,980,640,265.05
  5. Step 5: Solve for x
    x = 11,980,640,265.05/123,829.32
  6. Step 6: Final answer
    x = 96,751.24

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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.