Home / 117,872.04-162,659.97-64,155.81

Finding the Fourth Proportional to 117,872.04, 162,659.97 and 64,155.81

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Solution

The fourth proportional to 117,872.04, 162,659.97 and 64,155.81 is: 88,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,872.04 : 162,659.97 = 64,155.81 : x
  2. Step 2: Convert to fraction form
    117,872.04/162,659.97 = 64,155.81/x
  3. Step 3: Cross multiply
    117,872.04x = 162,659.97 × 64,155.81
  4. Step 4: Simplify right side
    117,872.04x = 10,435,582,129.93
  5. Step 5: Solve for x
    x = 10,435,582,129.93/117,872.04
  6. Step 6: Final answer
    x = 88,533.14

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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.