Home / 126,326.04-189,389.16-47,431.52

Finding the Fourth Proportional to 126,326.04, 189,389.16 and 47,431.52

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Solution

The fourth proportional to 126,326.04, 189,389.16 and 47,431.52 is: 71,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,326.04 : 189,389.16 = 47,431.52 : x
  2. Step 2: Convert to fraction form
    126,326.04/189,389.16 = 47,431.52/x
  3. Step 3: Cross multiply
    126,326.04x = 189,389.16 × 47,431.52
  4. Step 4: Simplify right side
    126,326.04x = 8,983,015,730.32
  5. Step 5: Solve for x
    x = 8,983,015,730.32/126,326.04
  6. Step 6: Final answer
    x = 71,109.77

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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.