Home / 105,983.08-146,256.60-58,239.50

Finding the Fourth Proportional to 105,983.08, 146,256.60 and 58,239.50

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Solution

The fourth proportional to 105,983.08, 146,256.60 and 58,239.50 is: 80,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,983.08 : 146,256.60 = 58,239.50 : x
  2. Step 2: Convert to fraction form
    105,983.08/146,256.60 = 58,239.50/x
  3. Step 3: Cross multiply
    105,983.08x = 146,256.60 × 58,239.50
  4. Step 4: Simplify right side
    105,983.08x = 8,517,911,255.70
  5. Step 5: Solve for x
    x = 8,517,911,255.70/105,983.08
  6. Step 6: Final answer
    x = 80,370.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.