Home / 123,216.30-170,040.96-69,490.80

Finding the Fourth Proportional to 123,216.30, 170,040.96 and 69,490.80

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Solution

The fourth proportional to 123,216.30, 170,040.96 and 69,490.80 is: 95,898.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,216.30 : 170,040.96 = 69,490.80 : x
  2. Step 2: Convert to fraction form
    123,216.30/170,040.96 = 69,490.80/x
  3. Step 3: Cross multiply
    123,216.30x = 170,040.96 × 69,490.80
  4. Step 4: Simplify right side
    123,216.30x = 11,816,282,343.17
  5. Step 5: Solve for x
    x = 11,816,282,343.17/123,216.30
  6. Step 6: Final answer
    x = 95,898.69

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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.