Home / 122,983.08-169,721.88-68,535.30

Finding the Fourth Proportional to 122,983.08, 169,721.88 and 68,535.30

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Solution

The fourth proportional to 122,983.08, 169,721.88 and 68,535.30 is: 94,581.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,983.08 : 169,721.88 = 68,535.30 : x
  2. Step 2: Convert to fraction form
    122,983.08/169,721.88 = 68,535.30/x
  3. Step 3: Cross multiply
    122,983.08x = 169,721.88 × 68,535.30
  4. Step 4: Simplify right side
    122,983.08x = 11,631,939,962.36
  5. Step 5: Solve for x
    x = 11,631,939,962.36/122,983.08
  6. Step 6: Final answer
    x = 94,581.63

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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.