Home / 126,354.31-189,468.07-42,084.83

Finding the Fourth Proportional to 126,354.31, 189,468.07 and 42,084.83

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Solution

The fourth proportional to 126,354.31, 189,468.07 and 42,084.83 is: 63,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,354.31 : 189,468.07 = 42,084.83 : x
  2. Step 2: Convert to fraction form
    126,354.31/189,468.07 = 42,084.83/x
  3. Step 3: Cross multiply
    126,354.31x = 189,468.07 × 42,084.83
  4. Step 4: Simplify right side
    126,354.31x = 7,973,731,884.84
  5. Step 5: Solve for x
    x = 7,973,731,884.84/126,354.31
  6. Step 6: Final answer
    x = 63,106.13

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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.