Home / 123,198.04-170,013.06-69,482.89

Finding the Fourth Proportional to 123,198.04, 170,013.06 and 69,482.89

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Solution

The fourth proportional to 123,198.04, 170,013.06 and 69,482.89 is: 95,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,198.04 : 170,013.06 = 69,482.89 : x
  2. Step 2: Convert to fraction form
    123,198.04/170,013.06 = 69,482.89/x
  3. Step 3: Cross multiply
    123,198.04x = 170,013.06 × 69,482.89
  4. Step 4: Simplify right side
    123,198.04x = 11,812,998,959.06
  5. Step 5: Solve for x
    x = 11,812,998,959.06/123,198.04
  6. Step 6: Final answer
    x = 95,886.26

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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.