Home / 115,444.36-159,311.71-64,457.96

Finding the Fourth Proportional to 115,444.36, 159,311.71 and 64,457.96

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Solution

The fourth proportional to 115,444.36, 159,311.71 and 64,457.96 is: 88,951.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,444.36 : 159,311.71 = 64,457.96 : x
  2. Step 2: Convert to fraction form
    115,444.36/159,311.71 = 64,457.96/x
  3. Step 3: Cross multiply
    115,444.36x = 159,311.71 × 64,457.96
  4. Step 4: Simplify right side
    115,444.36x = 10,268,907,508.42
  5. Step 5: Solve for x
    x = 10,268,907,508.42/115,444.36
  6. Step 6: Final answer
    x = 88,951.14

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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.