Home / 126,353.17-189,466.38-42,083.71

Finding the Fourth Proportional to 126,353.17, 189,466.38 and 42,083.71

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Solution

The fourth proportional to 126,353.17, 189,466.38 and 42,083.71 is: 63,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,353.17 : 189,466.38 = 42,083.71 : x
  2. Step 2: Convert to fraction form
    126,353.17/189,466.38 = 42,083.71/x
  3. Step 3: Cross multiply
    126,353.17x = 189,466.38 × 42,083.71
  4. Step 4: Simplify right side
    126,353.17x = 7,973,447,980.25
  5. Step 5: Solve for x
    x = 7,973,447,980.25/126,353.17
  6. Step 6: Final answer
    x = 63,104.46

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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.