Home / 130,949.78-196,318.68-40,946.17

Finding the Fourth Proportional to 130,949.78, 196,318.68 and 40,946.17

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Solution

The fourth proportional to 130,949.78, 196,318.68 and 40,946.17 is: 61,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,949.78 : 196,318.68 = 40,946.17 : x
  2. Step 2: Convert to fraction form
    130,949.78/196,318.68 = 40,946.17/x
  3. Step 3: Cross multiply
    130,949.78x = 196,318.68 × 40,946.17
  4. Step 4: Simplify right side
    130,949.78x = 8,038,498,045.46
  5. Step 5: Solve for x
    x = 8,038,498,045.46/130,949.78
  6. Step 6: Final answer
    x = 61,386.11

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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.