Home / 122,187.89-183,166.92-65,943.72

Finding the Fourth Proportional to 122,187.89, 183,166.92 and 65,943.72

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Solution

The fourth proportional to 122,187.89, 183,166.92 and 65,943.72 is: 98,853.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,187.89 : 183,166.92 = 65,943.72 : x
  2. Step 2: Convert to fraction form
    122,187.89/183,166.92 = 65,943.72/x
  3. Step 3: Cross multiply
    122,187.89x = 183,166.92 × 65,943.72
  4. Step 4: Simplify right side
    122,187.89x = 12,078,708,085.74
  5. Step 5: Solve for x
    x = 12,078,708,085.74/122,187.89
  6. Step 6: Final answer
    x = 98,853.56

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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.