Home / 158,731.40-219,059.18-104,923.10

Finding the Fourth Proportional to 158,731.40, 219,059.18 and 104,923.10

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Solution

The fourth proportional to 158,731.40, 219,059.18 and 104,923.10 is: 144,800.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,731.40 : 219,059.18 = 104,923.10 : x
  2. Step 2: Convert to fraction form
    158,731.40/219,059.18 = 104,923.10/x
  3. Step 3: Cross multiply
    158,731.40x = 219,059.18 × 104,923.10
  4. Step 4: Simplify right side
    158,731.40x = 22,984,366,629.15
  5. Step 5: Solve for x
    x = 22,984,366,629.15/158,731.40
  6. Step 6: Final answer
    x = 144,800.38

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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.