Home / 239,021.10-358,365.51-105,828.66

Finding the Fourth Proportional to 239,021.10, 358,365.51 and 105,828.66

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Solution

The fourth proportional to 239,021.10, 358,365.51 and 105,828.66 is: 158,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,021.10 : 358,365.51 = 105,828.66 : x
  2. Step 2: Convert to fraction form
    239,021.10/358,365.51 = 105,828.66/x
  3. Step 3: Cross multiply
    239,021.10x = 358,365.51 × 105,828.66
  4. Step 4: Simplify right side
    239,021.10x = 37,925,341,713.52
  5. Step 5: Solve for x
    x = 37,925,341,713.52/239,021.10
  6. Step 6: Final answer
    x = 158,669.43

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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.