Home / 131,815.77-197,682.75-47,565

Finding the Fourth Proportional to 131,815.77, 197,682.75 and 47,565

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Solution

The fourth proportional to 131,815.77, 197,682.75 and 47,565 is: 71,332.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,815.77 : 197,682.75 = 47,565 : x
  2. Step 2: Convert to fraction form
    131,815.77/197,682.75 = 47,565/x
  3. Step 3: Cross multiply
    131,815.77x = 197,682.75 × 47,565
  4. Step 4: Simplify right side
    131,815.77x = 9,402,780,003.75
  5. Step 5: Solve for x
    x = 9,402,780,003.75/131,815.77
  6. Step 6: Final answer
    x = 71,332.74

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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.