Home / 145,566.66-200,879.73-81,904.62

Finding the Fourth Proportional to 145,566.66, 200,879.73 and 81,904.62

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Solution

The fourth proportional to 145,566.66, 200,879.73 and 81,904.62 is: 113,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,566.66 : 200,879.73 = 81,904.62 : x
  2. Step 2: Convert to fraction form
    145,566.66/200,879.73 = 81,904.62/x
  3. Step 3: Cross multiply
    145,566.66x = 200,879.73 × 81,904.62
  4. Step 4: Simplify right side
    145,566.66x = 16,452,977,951.35
  5. Step 5: Solve for x
    x = 16,452,977,951.35/145,566.66
  6. Step 6: Final answer
    x = 113,027.10

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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.