Home / 191,531.52-287,300.10-73,209.14

Finding the Fourth Proportional to 191,531.52, 287,300.10 and 73,209.14

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Solution

The fourth proportional to 191,531.52, 287,300.10 and 73,209.14 is: 109,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,531.52 : 287,300.10 = 73,209.14 : x
  2. Step 2: Convert to fraction form
    191,531.52/287,300.10 = 73,209.14/x
  3. Step 3: Cross multiply
    191,531.52x = 287,300.10 × 73,209.14
  4. Step 4: Simplify right side
    191,531.52x = 21,032,993,242.91
  5. Step 5: Solve for x
    x = 21,032,993,242.91/191,531.52
  6. Step 6: Final answer
    x = 109,814.79

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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.