Home / 191,566.97-287,416.10-73,272.14

Finding the Fourth Proportional to 191,566.97, 287,416.10 and 73,272.14

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Solution

The fourth proportional to 191,566.97, 287,416.10 and 73,272.14 is: 109,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,566.97 : 287,416.10 = 73,272.14 : x
  2. Step 2: Convert to fraction form
    191,566.97/287,416.10 = 73,272.14/x
  3. Step 3: Cross multiply
    191,566.97x = 287,416.10 × 73,272.14
  4. Step 4: Simplify right side
    191,566.97x = 21,059,593,619.17
  5. Step 5: Solve for x
    x = 21,059,593,619.17/191,566.97
  6. Step 6: Final answer
    x = 109,933.32

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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.