Home / 123,670.24-170,664-69,222.44

Finding the Fourth Proportional to 123,670.24, 170,664 and 69,222.44

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Solution

The fourth proportional to 123,670.24, 170,664 and 69,222.44 is: 95,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,670.24 : 170,664 = 69,222.44 : x
  2. Step 2: Convert to fraction form
    123,670.24/170,664 = 69,222.44/x
  3. Step 3: Cross multiply
    123,670.24x = 170,664 × 69,222.44
  4. Step 4: Simplify right side
    123,670.24x = 11,813,778,500.16
  5. Step 5: Solve for x
    x = 11,813,778,500.16/123,670.24
  6. Step 6: Final answer
    x = 95,526.45

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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.