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Finding the Fourth Proportional to 99,157.86, 148,795.88 and 35,982.91

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Solution

The fourth proportional to 99,157.86, 148,795.88 and 35,982.91 is: 53,995.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,157.86 : 148,795.88 = 35,982.91 : x
  2. Step 2: Convert to fraction form
    99,157.86/148,795.88 = 35,982.91/x
  3. Step 3: Cross multiply
    99,157.86x = 148,795.88 × 35,982.91
  4. Step 4: Simplify right side
    99,157.86x = 5,354,108,386.42
  5. Step 5: Solve for x
    x = 5,354,108,386.42/99,157.86
  6. Step 6: Final answer
    x = 53,995.81

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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.