Home / 84,141.28-126,115-34,166.50

Finding the Fourth Proportional to 84,141.28, 126,115 and 34,166.50

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Solution

The fourth proportional to 84,141.28, 126,115 and 34,166.50 is: 51,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,141.28 : 126,115 = 34,166.50 : x
  2. Step 2: Convert to fraction form
    84,141.28/126,115 = 34,166.50/x
  3. Step 3: Cross multiply
    84,141.28x = 126,115 × 34,166.50
  4. Step 4: Simplify right side
    84,141.28x = 4,308,908,147.50
  5. Step 5: Solve for x
    x = 4,308,908,147.50/84,141.28
  6. Step 6: Final answer
    x = 51,210.39

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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.