Home / 102,904.66-154,244.39-52,987.75

Finding the Fourth Proportional to 102,904.66, 154,244.39 and 52,987.75

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Solution

The fourth proportional to 102,904.66, 154,244.39 and 52,987.75 is: 79,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,904.66 : 154,244.39 = 52,987.75 : x
  2. Step 2: Convert to fraction form
    102,904.66/154,244.39 = 52,987.75/x
  3. Step 3: Cross multiply
    102,904.66x = 154,244.39 × 52,987.75
  4. Step 4: Simplify right side
    102,904.66x = 8,173,063,429.36
  5. Step 5: Solve for x
    x = 8,173,063,429.36/102,904.66
  6. Step 6: Final answer
    x = 79,423.65

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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.