Home / 142,535.19-213,739.61-75,962.91

Finding the Fourth Proportional to 142,535.19, 213,739.61 and 75,962.91

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Solution

The fourth proportional to 142,535.19, 213,739.61 and 75,962.91 is: 113,910.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,535.19 : 213,739.61 = 75,962.91 : x
  2. Step 2: Convert to fraction form
    142,535.19/213,739.61 = 75,962.91/x
  3. Step 3: Cross multiply
    142,535.19x = 213,739.61 × 75,962.91
  4. Step 4: Simplify right side
    142,535.19x = 16,236,282,378.05
  5. Step 5: Solve for x
    x = 16,236,282,378.05/142,535.19
  6. Step 6: Final answer
    x = 113,910.69

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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.