Home / 122,477.34-169,005.69-68,768.22

Finding the Fourth Proportional to 122,477.34, 169,005.69 and 68,768.22

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Solution

The fourth proportional to 122,477.34, 169,005.69 and 68,768.22 is: 94,892.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,477.34 : 169,005.69 = 68,768.22 : x
  2. Step 2: Convert to fraction form
    122,477.34/169,005.69 = 68,768.22/x
  3. Step 3: Cross multiply
    122,477.34x = 169,005.69 × 68,768.22
  4. Step 4: Simplify right side
    122,477.34x = 11,622,220,471.17
  5. Step 5: Solve for x
    x = 11,622,220,471.17/122,477.34
  6. Step 6: Final answer
    x = 94,892.82

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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.