Home / 131,310.36-196,983.77-42,535.17

Finding the Fourth Proportional to 131,310.36, 196,983.77 and 42,535.17

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Solution

The fourth proportional to 131,310.36, 196,983.77 and 42,535.17 is: 63,808.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,310.36 : 196,983.77 = 42,535.17 : x
  2. Step 2: Convert to fraction form
    131,310.36/196,983.77 = 42,535.17/x
  3. Step 3: Cross multiply
    131,310.36x = 196,983.77 × 42,535.17
  4. Step 4: Simplify right side
    131,310.36x = 8,378,737,931.52
  5. Step 5: Solve for x
    x = 8,378,737,931.52/131,310.36
  6. Step 6: Final answer
    x = 63,808.66

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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.