Home / 142,833.60-197,108.80-82,403.52

Finding the Fourth Proportional to 142,833.60, 197,108.80 and 82,403.52

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Solution

The fourth proportional to 142,833.60, 197,108.80 and 82,403.52 is: 113,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,833.60 : 197,108.80 = 82,403.52 : x
  2. Step 2: Convert to fraction form
    142,833.60/197,108.80 = 82,403.52/x
  3. Step 3: Cross multiply
    142,833.60x = 197,108.80 × 82,403.52
  4. Step 4: Simplify right side
    142,833.60x = 16,242,458,942.98
  5. Step 5: Solve for x
    x = 16,242,458,942.98/142,833.60
  6. Step 6: Final answer
    x = 113,715.95

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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.