Home / 123,312.78-170,176.40-69,596.64

Finding the Fourth Proportional to 123,312.78, 170,176.40 and 69,596.64

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Solution

The fourth proportional to 123,312.78, 170,176.40 and 69,596.64 is: 96,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,312.78 : 170,176.40 = 69,596.64 : x
  2. Step 2: Convert to fraction form
    123,312.78/170,176.40 = 69,596.64/x
  3. Step 3: Cross multiply
    123,312.78x = 170,176.40 × 69,596.64
  4. Step 4: Simplify right side
    123,312.78x = 11,843,705,299.31
  5. Step 5: Solve for x
    x = 11,843,705,299.31/123,312.78
  6. Step 6: Final answer
    x = 96,046.05

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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.