Home / 102,855.18-154,344.08-45,924.66

Finding the Fourth Proportional to 102,855.18, 154,344.08 and 45,924.66

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Solution

The fourth proportional to 102,855.18, 154,344.08 and 45,924.66 is: 68,914.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,855.18 : 154,344.08 = 45,924.66 : x
  2. Step 2: Convert to fraction form
    102,855.18/154,344.08 = 45,924.66/x
  3. Step 3: Cross multiply
    102,855.18x = 154,344.08 × 45,924.66
  4. Step 4: Simplify right side
    102,855.18x = 7,088,199,397.01
  5. Step 5: Solve for x
    x = 7,088,199,397.01/102,855.18
  6. Step 6: Final answer
    x = 68,914.36

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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.