Home / 109,470.22-151,068.93-61,723.57

Finding the Fourth Proportional to 109,470.22, 151,068.93 and 61,723.57

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Solution

The fourth proportional to 109,470.22, 151,068.93 and 61,723.57 is: 85,178.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,470.22 : 151,068.93 = 61,723.57 : x
  2. Step 2: Convert to fraction form
    109,470.22/151,068.93 = 61,723.57/x
  3. Step 3: Cross multiply
    109,470.22x = 151,068.93 × 61,723.57
  4. Step 4: Simplify right side
    109,470.22x = 9,324,513,675.68
  5. Step 5: Solve for x
    x = 9,324,513,675.68/109,470.22
  6. Step 6: Final answer
    x = 85,178.54

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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.