Home / 109,561.39-151,194.06-61,160.50

Finding the Fourth Proportional to 109,561.39, 151,194.06 and 61,160.50

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Solution

The fourth proportional to 109,561.39, 151,194.06 and 61,160.50 is: 84,401.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,561.39 : 151,194.06 = 61,160.50 : x
  2. Step 2: Convert to fraction form
    109,561.39/151,194.06 = 61,160.50/x
  3. Step 3: Cross multiply
    109,561.39x = 151,194.06 × 61,160.50
  4. Step 4: Simplify right side
    109,561.39x = 9,247,104,306.63
  5. Step 5: Solve for x
    x = 9,247,104,306.63/109,561.39
  6. Step 6: Final answer
    x = 84,401.12

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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.