Home / 126,349.24-189,523.09-31,578.95

Finding the Fourth Proportional to 126,349.24, 189,523.09 and 31,578.95

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Solution

The fourth proportional to 126,349.24, 189,523.09 and 31,578.95 is: 47,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,349.24 : 189,523.09 = 31,578.95 : x
  2. Step 2: Convert to fraction form
    126,349.24/189,523.09 = 31,578.95/x
  3. Step 3: Cross multiply
    126,349.24x = 189,523.09 × 31,578.95
  4. Step 4: Simplify right side
    126,349.24x = 5,984,939,077.45
  5. Step 5: Solve for x
    x = 5,984,939,077.45/126,349.24
  6. Step 6: Final answer
    x = 47,368.23

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1.5x scale

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.