Home / 122,943.39-169,678.04-69,238.91

Finding the Fourth Proportional to 122,943.39, 169,678.04 and 69,238.91

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Solution

The fourth proportional to 122,943.39, 169,678.04 and 69,238.91 is: 95,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,943.39 : 169,678.04 = 69,238.91 : x
  2. Step 2: Convert to fraction form
    122,943.39/169,678.04 = 69,238.91/x
  3. Step 3: Cross multiply
    122,943.39x = 169,678.04 × 69,238.91
  4. Step 4: Simplify right side
    122,943.39x = 11,748,321,345.95
  5. Step 5: Solve for x
    x = 11,748,321,345.95/122,943.39
  6. Step 6: Final answer
    x = 95,558.79

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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.