Home / 134,324.06-185,346.63-77,724.50

Finding the Fourth Proportional to 134,324.06, 185,346.63 and 77,724.50

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Solution

The fourth proportional to 134,324.06, 185,346.63 and 77,724.50 is: 107,247.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,324.06 : 185,346.63 = 77,724.50 : x
  2. Step 2: Convert to fraction form
    134,324.06/185,346.63 = 77,724.50/x
  3. Step 3: Cross multiply
    134,324.06x = 185,346.63 × 77,724.50
  4. Step 4: Simplify right side
    134,324.06x = 14,405,974,143.44
  5. Step 5: Solve for x
    x = 14,405,974,143.44/134,324.06
  6. Step 6: Final answer
    x = 107,247.91

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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.