Home / 86,946.30-130,355.64-27,747.84

Finding the Fourth Proportional to 86,946.30, 130,355.64 and 27,747.84

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Solution

The fourth proportional to 86,946.30, 130,355.64 and 27,747.84 is: 41,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,946.30 : 130,355.64 = 27,747.84 : x
  2. Step 2: Convert to fraction form
    86,946.30/130,355.64 = 27,747.84/x
  3. Step 3: Cross multiply
    86,946.30x = 130,355.64 × 27,747.84
  4. Step 4: Simplify right side
    86,946.30x = 3,617,087,441.82
  5. Step 5: Solve for x
    x = 3,617,087,441.82/86,946.30
  6. Step 6: Final answer
    x = 41,601.40

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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.