Home / 123,210.24-170,029.28-69,495.72

Finding the Fourth Proportional to 123,210.24, 170,029.28 and 69,495.72

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Solution

The fourth proportional to 123,210.24, 170,029.28 and 69,495.72 is: 95,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,210.24 : 170,029.28 = 69,495.72 : x
  2. Step 2: Convert to fraction form
    123,210.24/170,029.28 = 69,495.72/x
  3. Step 3: Cross multiply
    123,210.24x = 170,029.28 × 69,495.72
  4. Step 4: Simplify right side
    123,210.24x = 11,816,307,234.68
  5. Step 5: Solve for x
    x = 11,816,307,234.68/123,210.24
  6. Step 6: Final answer
    x = 95,903.61

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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.