Home / 122,718.17-169,347.71-69,001.81

Finding the Fourth Proportional to 122,718.17, 169,347.71 and 69,001.81

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Solution

The fourth proportional to 122,718.17, 169,347.71 and 69,001.81 is: 95,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,718.17 : 169,347.71 = 69,001.81 : x
  2. Step 2: Convert to fraction form
    122,718.17/169,347.71 = 69,001.81/x
  3. Step 3: Cross multiply
    122,718.17x = 169,347.71 × 69,001.81
  4. Step 4: Simplify right side
    122,718.17x = 11,685,298,258.49
  5. Step 5: Solve for x
    x = 11,685,298,258.49/122,718.17
  6. Step 6: Final answer
    x = 95,220.60

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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.