Home / 105,712.07-158,591.42-30,838.07

Finding the Fourth Proportional to 105,712.07, 158,591.42 and 30,838.07

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Solution

The fourth proportional to 105,712.07, 158,591.42 and 30,838.07 is: 46,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,712.07 : 158,591.42 = 30,838.07 : x
  2. Step 2: Convert to fraction form
    105,712.07/158,591.42 = 30,838.07/x
  3. Step 3: Cross multiply
    105,712.07x = 158,591.42 × 30,838.07
  4. Step 4: Simplify right side
    105,712.07x = 4,890,652,364.21
  5. Step 5: Solve for x
    x = 4,890,652,364.21/105,712.07
  6. Step 6: Final answer
    x = 46,263.90

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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.