Home / 126,352.36-189,527.77-31,582.07

Finding the Fourth Proportional to 126,352.36, 189,527.77 and 31,582.07

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Solution

The fourth proportional to 126,352.36, 189,527.77 and 31,582.07 is: 47,372.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,352.36 : 189,527.77 = 31,582.07 : x
  2. Step 2: Convert to fraction form
    126,352.36/189,527.77 = 31,582.07/x
  3. Step 3: Cross multiply
    126,352.36x = 189,527.77 × 31,582.07
  4. Step 4: Simplify right side
    126,352.36x = 5,985,679,299.08
  5. Step 5: Solve for x
    x = 5,985,679,299.08/126,352.36
  6. Step 6: Final answer
    x = 47,372.91

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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.