Home / 126,478.53-189,698.63-47,574.27

Finding the Fourth Proportional to 126,478.53, 189,698.63 and 47,574.27

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Solution

The fourth proportional to 126,478.53, 189,698.63 and 47,574.27 is: 71,354.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,478.53 : 189,698.63 = 47,574.27 : x
  2. Step 2: Convert to fraction form
    126,478.53/189,698.63 = 47,574.27/x
  3. Step 3: Cross multiply
    126,478.53x = 189,698.63 × 47,574.27
  4. Step 4: Simplify right side
    126,478.53x = 9,024,773,604.38
  5. Step 5: Solve for x
    x = 9,024,773,604.38/126,478.53
  6. Step 6: Final answer
    x = 71,354.19

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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.