Home / 105,890.49-146,113.07-58,145.85

Finding the Fourth Proportional to 105,890.49, 146,113.07 and 58,145.85

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Solution

The fourth proportional to 105,890.49, 146,113.07 and 58,145.85 is: 80,232.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,890.49 : 146,113.07 = 58,145.85 : x
  2. Step 2: Convert to fraction form
    105,890.49/146,113.07 = 58,145.85/x
  3. Step 3: Cross multiply
    105,890.49x = 146,113.07 × 58,145.85
  4. Step 4: Simplify right side
    105,890.49x = 8,495,868,360.53
  5. Step 5: Solve for x
    x = 8,495,868,360.53/105,890.49
  6. Step 6: Final answer
    x = 80,232.59

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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.