Home / 112,456.38-168,681.87-36,554.82

Finding the Fourth Proportional to 112,456.38, 168,681.87 and 36,554.82

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Solution

The fourth proportional to 112,456.38, 168,681.87 and 36,554.82 is: 54,831.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,456.38 : 168,681.87 = 36,554.82 : x
  2. Step 2: Convert to fraction form
    112,456.38/168,681.87 = 36,554.82/x
  3. Step 3: Cross multiply
    112,456.38x = 168,681.87 × 36,554.82
  4. Step 4: Simplify right side
    112,456.38x = 6,166,135,395.11
  5. Step 5: Solve for x
    x = 6,166,135,395.11/112,456.38
  6. Step 6: Final answer
    x = 54,831.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.