Home / 146,492.19-219,760.23-53,019.81

Finding the Fourth Proportional to 146,492.19, 219,760.23 and 53,019.81

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Solution

The fourth proportional to 146,492.19, 219,760.23 and 53,019.81 is: 79,537.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,492.19 : 219,760.23 = 53,019.81 : x
  2. Step 2: Convert to fraction form
    146,492.19/219,760.23 = 53,019.81/x
  3. Step 3: Cross multiply
    146,492.19x = 219,760.23 × 53,019.81
  4. Step 4: Simplify right side
    146,492.19x = 11,651,645,700.66
  5. Step 5: Solve for x
    x = 11,651,645,700.66/146,492.19
  6. Step 6: Final answer
    x = 79,537.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.