Home / 130,950.78-196,320.18-40,947.17

Finding the Fourth Proportional to 130,950.78, 196,320.18 and 40,947.17

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Solution

The fourth proportional to 130,950.78, 196,320.18 and 40,947.17 is: 61,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,950.78 : 196,320.18 = 40,947.17 : x
  2. Step 2: Convert to fraction form
    130,950.78/196,320.18 = 40,947.17/x
  3. Step 3: Cross multiply
    130,950.78x = 196,320.18 × 40,947.17
  4. Step 4: Simplify right side
    130,950.78x = 8,038,755,784.89
  5. Step 5: Solve for x
    x = 8,038,755,784.89/130,950.78
  6. Step 6: Final answer
    x = 61,387.61

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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.