Home / 102,867.01-154,299.39-78,059.41

Finding the Fourth Proportional to 102,867.01, 154,299.39 and 78,059.41

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Solution

The fourth proportional to 102,867.01, 154,299.39 and 78,059.41 is: 117,088.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,867.01 : 154,299.39 = 78,059.41 : x
  2. Step 2: Convert to fraction form
    102,867.01/154,299.39 = 78,059.41/x
  3. Step 3: Cross multiply
    102,867.01x = 154,299.39 × 78,059.41
  4. Step 4: Simplify right side
    102,867.01x = 12,044,518,575.26
  5. Step 5: Solve for x
    x = 12,044,518,575.26/102,867.01
  6. Step 6: Final answer
    x = 117,088.26

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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.