Home / 117,833.19-162,707.79-109,285.50

Finding the Fourth Proportional to 117,833.19, 162,707.79 and 109,285.50

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Solution

The fourth proportional to 117,833.19, 162,707.79 and 109,285.50 is: 150,904.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,833.19 : 162,707.79 = 109,285.50 : x
  2. Step 2: Convert to fraction form
    117,833.19/162,707.79 = 109,285.50/x
  3. Step 3: Cross multiply
    117,833.19x = 162,707.79 × 109,285.50
  4. Step 4: Simplify right side
    117,833.19x = 17,781,602,184.05
  5. Step 5: Solve for x
    x = 17,781,602,184.05/117,833.19
  6. Step 6: Final answer
    x = 150,904.87

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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.