Home / 105,985.29-146,258.00-58,237.61

Finding the Fourth Proportional to 105,985.29, 146,258.00 and 58,237.61

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Solution

The fourth proportional to 105,985.29, 146,258.00 and 58,237.61 is: 80,366.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,985.29 : 146,258.00 = 58,237.61 : x
  2. Step 2: Convert to fraction form
    105,985.29/146,258.00 = 58,237.61/x
  3. Step 3: Cross multiply
    105,985.29x = 146,258.00 × 58,237.61
  4. Step 4: Simplify right side
    105,985.29x = 8,517,716,298.23
  5. Step 5: Solve for x
    x = 8,517,716,298.23/105,985.29
  6. Step 6: Final answer
    x = 80,366.97

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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.