Home / 172,933.20-259,417.08-52,988.76

Finding the Fourth Proportional to 172,933.20, 259,417.08 and 52,988.76

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Solution

The fourth proportional to 172,933.20, 259,417.08 and 52,988.76 is: 79,488.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,933.20 : 259,417.08 = 52,988.76 : x
  2. Step 2: Convert to fraction form
    172,933.20/259,417.08 = 52,988.76/x
  3. Step 3: Cross multiply
    172,933.20x = 259,417.08 × 52,988.76
  4. Step 4: Simplify right side
    172,933.20x = 13,746,189,392.02
  5. Step 5: Solve for x
    x = 13,746,189,392.02/172,933.20
  6. Step 6: Final answer
    x = 79,488.43

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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.