Home / 122,336.79-168,747.03-88,395.12

Finding the Fourth Proportional to 122,336.79, 168,747.03 and 88,395.12

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Solution

The fourth proportional to 122,336.79, 168,747.03 and 88,395.12 is: 121,929.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,336.79 : 168,747.03 = 88,395.12 : x
  2. Step 2: Convert to fraction form
    122,336.79/168,747.03 = 88,395.12/x
  3. Step 3: Cross multiply
    122,336.79x = 168,747.03 × 88,395.12
  4. Step 4: Simplify right side
    122,336.79x = 14,916,413,966.49
  5. Step 5: Solve for x
    x = 14,916,413,966.49/122,336.79
  6. Step 6: Final answer
    x = 121,929.09

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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.