Home / 112,967.46-155,889.83-61,979.04

Finding the Fourth Proportional to 112,967.46, 155,889.83 and 61,979.04

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Solution

The fourth proportional to 112,967.46, 155,889.83 and 61,979.04 is: 85,528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,967.46 : 155,889.83 = 61,979.04 : x
  2. Step 2: Convert to fraction form
    112,967.46/155,889.83 = 61,979.04/x
  3. Step 3: Cross multiply
    112,967.46x = 155,889.83 × 61,979.04
  4. Step 4: Simplify right side
    112,967.46x = 9,661,902,164.11
  5. Step 5: Solve for x
    x = 9,661,902,164.11/112,967.46
  6. Step 6: Final answer
    x = 85,528.19

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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.