Home / 122,943.14-169,677.70-69,238.66

Finding the Fourth Proportional to 122,943.14, 169,677.70 and 69,238.66

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Solution

The fourth proportional to 122,943.14, 169,677.70 and 69,238.66 is: 95,558.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,943.14 : 169,677.70 = 69,238.66 : x
  2. Step 2: Convert to fraction form
    122,943.14/169,677.70 = 69,238.66/x
  3. Step 3: Cross multiply
    122,943.14x = 169,677.70 × 69,238.66
  4. Step 4: Simplify right side
    122,943.14x = 11,748,256,579.88
  5. Step 5: Solve for x
    x = 11,748,256,579.88/122,943.14
  6. Step 6: Final answer
    x = 95,558.46

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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.