Home / 161,411.49-222,746.80-88,818.81

Finding the Fourth Proportional to 161,411.49, 222,746.80 and 88,818.81

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Solution

The fourth proportional to 161,411.49, 222,746.80 and 88,818.81 is: 122,569.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,411.49 : 222,746.80 = 88,818.81 : x
  2. Step 2: Convert to fraction form
    161,411.49/222,746.80 = 88,818.81/x
  3. Step 3: Cross multiply
    161,411.49x = 222,746.80 × 88,818.81
  4. Step 4: Simplify right side
    161,411.49x = 19,784,104,593.57
  5. Step 5: Solve for x
    x = 19,784,104,593.57/161,411.49
  6. Step 6: Final answer
    x = 122,569.37

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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.