Home / 142,950.52-197,280.66-82,532.22

Finding the Fourth Proportional to 142,950.52, 197,280.66 and 82,532.22

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Solution

The fourth proportional to 142,950.52, 197,280.66 and 82,532.22 is: 113,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,950.52 : 197,280.66 = 82,532.22 : x
  2. Step 2: Convert to fraction form
    142,950.52/197,280.66 = 82,532.22/x
  3. Step 3: Cross multiply
    142,950.52x = 197,280.66 × 82,532.22
  4. Step 4: Simplify right side
    142,950.52x = 16,282,010,832.87
  5. Step 5: Solve for x
    x = 16,282,010,832.87/142,950.52
  6. Step 6: Final answer
    x = 113,899.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.