Home / 105,869.86-146,100.66-58,126.29

Finding the Fourth Proportional to 105,869.86, 146,100.66 and 58,126.29

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Solution

The fourth proportional to 105,869.86, 146,100.66 and 58,126.29 is: 80,214.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,869.86 : 146,100.66 = 58,126.29 : x
  2. Step 2: Convert to fraction form
    105,869.86/146,100.66 = 58,126.29/x
  3. Step 3: Cross multiply
    105,869.86x = 146,100.66 × 58,126.29
  4. Step 4: Simplify right side
    105,869.86x = 8,492,289,332.35
  5. Step 5: Solve for x
    x = 8,492,289,332.35/105,869.86
  6. Step 6: Final answer
    x = 80,214.42

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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.