Home / 131,633.83-197,464.65-42,894.28

Finding the Fourth Proportional to 131,633.83, 197,464.65 and 42,894.28

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Solution

The fourth proportional to 131,633.83, 197,464.65 and 42,894.28 is: 64,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,633.83 : 197,464.65 = 42,894.28 : x
  2. Step 2: Convert to fraction form
    131,633.83/197,464.65 = 42,894.28/x
  3. Step 3: Cross multiply
    131,633.83x = 197,464.65 × 42,894.28
  4. Step 4: Simplify right side
    131,633.83x = 8,470,103,987.20
  5. Step 5: Solve for x
    x = 8,470,103,987.20/131,633.83
  6. Step 6: Final answer
    x = 64,345.95

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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.