Home / 119,318.96-164,664-65,607.86

Finding the Fourth Proportional to 119,318.96, 164,664 and 65,607.86

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Solution

The fourth proportional to 119,318.96, 164,664 and 65,607.86 is: 90,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,318.96 : 164,664 = 65,607.86 : x
  2. Step 2: Convert to fraction form
    119,318.96/164,664 = 65,607.86/x
  3. Step 3: Cross multiply
    119,318.96x = 164,664 × 65,607.86
  4. Step 4: Simplify right side
    119,318.96x = 10,803,252,659.04
  5. Step 5: Solve for x
    x = 10,803,252,659.04/119,318.96
  6. Step 6: Final answer
    x = 90,540.96

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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.