Home / 122,621.04-169,205.76-68,908.32

Finding the Fourth Proportional to 122,621.04, 169,205.76 and 68,908.32

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Solution

The fourth proportional to 122,621.04, 169,205.76 and 68,908.32 is: 95,087.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,621.04 : 169,205.76 = 68,908.32 : x
  2. Step 2: Convert to fraction form
    122,621.04/169,205.76 = 68,908.32/x
  3. Step 3: Cross multiply
    122,621.04x = 169,205.76 × 68,908.32
  4. Step 4: Simplify right side
    122,621.04x = 11,659,684,655.92
  5. Step 5: Solve for x
    x = 11,659,684,655.92/122,621.04
  6. Step 6: Final answer
    x = 95,087.15

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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.