Home / 160,349.72-221,222.94-123,566.78

Finding the Fourth Proportional to 160,349.72, 221,222.94 and 123,566.78

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Solution

The fourth proportional to 160,349.72, 221,222.94 and 123,566.78 is: 170,476.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,349.72 : 221,222.94 = 123,566.78 : x
  2. Step 2: Convert to fraction form
    160,349.72/221,222.94 = 123,566.78/x
  3. Step 3: Cross multiply
    160,349.72x = 221,222.94 × 123,566.78
  4. Step 4: Simplify right side
    160,349.72x = 27,335,806,357.93
  5. Step 5: Solve for x
    x = 27,335,806,357.93/160,349.72
  6. Step 6: Final answer
    x = 170,476.17

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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.