Home / 126,106.31-189,117.92-46,126.10

Finding the Fourth Proportional to 126,106.31, 189,117.92 and 46,126.10

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Solution

The fourth proportional to 126,106.31, 189,117.92 and 46,126.10 is: 69,173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,106.31 : 189,117.92 = 46,126.10 : x
  2. Step 2: Convert to fraction form
    126,106.31/189,117.92 = 46,126.10/x
  3. Step 3: Cross multiply
    126,106.31x = 189,117.92 × 46,126.10
  4. Step 4: Simplify right side
    126,106.31x = 8,723,272,677.82
  5. Step 5: Solve for x
    x = 8,723,272,677.82/126,106.31
  6. Step 6: Final answer
    x = 69,173.96

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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.