Home / 164,886.54-227,543.82-89,435.04

Finding the Fourth Proportional to 164,886.54, 227,543.82 and 89,435.04

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Solution

The fourth proportional to 164,886.54, 227,543.82 and 89,435.04 is: 123,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,886.54 : 227,543.82 = 89,435.04 : x
  2. Step 2: Convert to fraction form
    164,886.54/227,543.82 = 89,435.04/x
  3. Step 3: Cross multiply
    164,886.54x = 227,543.82 × 89,435.04
  4. Step 4: Simplify right side
    164,886.54x = 20,350,390,643.45
  5. Step 5: Solve for x
    x = 20,350,390,643.45/164,886.54
  6. Step 6: Final answer
    x = 123,420.57

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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.