Home / 105,911.66-146,159.10-58,166

Finding the Fourth Proportional to 105,911.66, 146,159.10 and 58,166

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Solution

The fourth proportional to 105,911.66, 146,159.10 and 58,166 is: 80,269.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,911.66 : 146,159.10 = 58,166 : x
  2. Step 2: Convert to fraction form
    105,911.66/146,159.10 = 58,166/x
  3. Step 3: Cross multiply
    105,911.66x = 146,159.10 × 58,166
  4. Step 4: Simplify right side
    105,911.66x = 8,501,490,210.60
  5. Step 5: Solve for x
    x = 8,501,490,210.60/105,911.66
  6. Step 6: Final answer
    x = 80,269.63

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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.