Home / 190,864.92-286,330.92-72,546.60

Finding the Fourth Proportional to 190,864.92, 286,330.92 and 72,546.60

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Solution

The fourth proportional to 190,864.92, 286,330.92 and 72,546.60 is: 108,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,864.92 : 286,330.92 = 72,546.60 : x
  2. Step 2: Convert to fraction form
    190,864.92/286,330.92 = 72,546.60/x
  3. Step 3: Cross multiply
    190,864.92x = 286,330.92 × 72,546.60
  4. Step 4: Simplify right side
    190,864.92x = 20,772,334,720.87
  5. Step 5: Solve for x
    x = 20,772,334,720.87/190,864.92
  6. Step 6: Final answer
    x = 108,832.65

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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.