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Finding the Fourth Proportional to 101,857.28, 152,793.28 and 42,633.36

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Solution

The fourth proportional to 101,857.28, 152,793.28 and 42,633.36 is: 63,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,857.28 : 152,793.28 = 42,633.36 : x
  2. Step 2: Convert to fraction form
    101,857.28/152,793.28 = 42,633.36/x
  3. Step 3: Cross multiply
    101,857.28x = 152,793.28 × 42,633.36
  4. Step 4: Simplify right side
    101,857.28x = 6,514,090,911.82
  5. Step 5: Solve for x
    x = 6,514,090,911.82/101,857.28
  6. Step 6: Final answer
    x = 63,953.12

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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.