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Finding the Fourth Proportional to 121,860.64, 182,806 and 59,484

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Solution

The fourth proportional to 121,860.64, 182,806 and 59,484 is: 89,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,860.64 : 182,806 = 59,484 : x
  2. Step 2: Convert to fraction form
    121,860.64/182,806 = 59,484/x
  3. Step 3: Cross multiply
    121,860.64x = 182,806 × 59,484
  4. Step 4: Simplify right side
    121,860.64x = 10,874,032,104
  5. Step 5: Solve for x
    x = 10,874,032,104/121,860.64
  6. Step 6: Final answer
    x = 89,233.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.