Home / 191,865.48-287,822.70-102,997.08

Finding the Fourth Proportional to 191,865.48, 287,822.70 and 102,997.08

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Solution

The fourth proportional to 191,865.48, 287,822.70 and 102,997.08 is: 154,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,865.48 : 287,822.70 = 102,997.08 : x
  2. Step 2: Convert to fraction form
    191,865.48/287,822.70 = 102,997.08/x
  3. Step 3: Cross multiply
    191,865.48x = 287,822.70 × 102,997.08
  4. Step 4: Simplify right side
    191,865.48x = 29,644,897,657.72
  5. Step 5: Solve for x
    x = 29,644,897,657.72/191,865.48
  6. Step 6: Final answer
    x = 154,508.76

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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.