Home / 102,985.29-154,379.12-32,818.77

Finding the Fourth Proportional to 102,985.29, 154,379.12 and 32,818.77

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Solution

The fourth proportional to 102,985.29, 154,379.12 and 32,818.77 is: 49,196.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,985.29 : 154,379.12 = 32,818.77 : x
  2. Step 2: Convert to fraction form
    102,985.29/154,379.12 = 32,818.77/x
  3. Step 3: Cross multiply
    102,985.29x = 154,379.12 × 32,818.77
  4. Step 4: Simplify right side
    102,985.29x = 5,066,532,667.99
  5. Step 5: Solve for x
    x = 5,066,532,667.99/102,985.29
  6. Step 6: Final answer
    x = 49,196.66

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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.