Home / 164,721.60-227,315.70-89,270.10

Finding the Fourth Proportional to 164,721.60, 227,315.70 and 89,270.10

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Solution

The fourth proportional to 164,721.60, 227,315.70 and 89,270.10 is: 123,192.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,721.60 : 227,315.70 = 89,270.10 : x
  2. Step 2: Convert to fraction form
    164,721.60/227,315.70 = 89,270.10/x
  3. Step 3: Cross multiply
    164,721.60x = 227,315.70 × 89,270.10
  4. Step 4: Simplify right side
    164,721.60x = 20,292,495,270.57
  5. Step 5: Solve for x
    x = 20,292,495,270.57/164,721.60
  6. Step 6: Final answer
    x = 123,192.68

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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.