Home / 123,215.32-170,036.94-69,500.17

Finding the Fourth Proportional to 123,215.32, 170,036.94 and 69,500.17

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Solution

The fourth proportional to 123,215.32, 170,036.94 and 69,500.17 is: 95,910.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,215.32 : 170,036.94 = 69,500.17 : x
  2. Step 2: Convert to fraction form
    123,215.32/170,036.94 = 69,500.17/x
  3. Step 3: Cross multiply
    123,215.32x = 170,036.94 × 69,500.17
  4. Step 4: Simplify right side
    123,215.32x = 11,817,596,236.28
  5. Step 5: Solve for x
    x = 11,817,596,236.28/123,215.32
  6. Step 6: Final answer
    x = 95,910.12

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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.