Home / 112,951.36-155,874.08-61,964.18

Finding the Fourth Proportional to 112,951.36, 155,874.08 and 61,964.18

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Solution

The fourth proportional to 112,951.36, 155,874.08 and 61,964.18 is: 85,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,951.36 : 155,874.08 = 61,964.18 : x
  2. Step 2: Convert to fraction form
    112,951.36/155,874.08 = 61,964.18/x
  3. Step 3: Cross multiply
    112,951.36x = 155,874.08 × 61,964.18
  4. Step 4: Simplify right side
    112,951.36x = 9,658,608,461.26
  5. Step 5: Solve for x
    x = 9,658,608,461.26/112,951.36
  6. Step 6: Final answer
    x = 85,511.22

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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.