Home / 172,955.10-238,641.75-105,007.85

Finding the Fourth Proportional to 172,955.10, 238,641.75 and 105,007.85

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Solution

The fourth proportional to 172,955.10, 238,641.75 and 105,007.85 is: 144,888.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,955.10 : 238,641.75 = 105,007.85 : x
  2. Step 2: Convert to fraction form
    172,955.10/238,641.75 = 105,007.85/x
  3. Step 3: Cross multiply
    172,955.10x = 238,641.75 × 105,007.85
  4. Step 4: Simplify right side
    172,955.10x = 25,059,255,894.53
  5. Step 5: Solve for x
    x = 25,059,255,894.53/172,955.10
  6. Step 6: Final answer
    x = 144,888.79

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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.