Home / 148,484.21-204,892.86-91,125.95

Finding the Fourth Proportional to 148,484.21, 204,892.86 and 91,125.95

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Solution

The fourth proportional to 148,484.21, 204,892.86 and 91,125.95 is: 125,744.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,484.21 : 204,892.86 = 91,125.95 : x
  2. Step 2: Convert to fraction form
    148,484.21/204,892.86 = 91,125.95/x
  3. Step 3: Cross multiply
    148,484.21x = 204,892.86 × 91,125.95
  4. Step 4: Simplify right side
    148,484.21x = 18,671,055,320.39
  5. Step 5: Solve for x
    x = 18,671,055,320.39/148,484.21
  6. Step 6: Final answer
    x = 125,744.39

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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.