Home / 103,068.11-154,624.24-31,989.26

Finding the Fourth Proportional to 103,068.11, 154,624.24 and 31,989.26

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Solution

The fourth proportional to 103,068.11, 154,624.24 and 31,989.26 is: 47,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,068.11 : 154,624.24 = 31,989.26 : x
  2. Step 2: Convert to fraction form
    103,068.11/154,624.24 = 31,989.26/x
  3. Step 3: Cross multiply
    103,068.11x = 154,624.24 × 31,989.26
  4. Step 4: Simplify right side
    103,068.11x = 4,946,315,442.21
  5. Step 5: Solve for x
    x = 4,946,315,442.21/103,068.11
  6. Step 6: Final answer
    x = 47,990.74

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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.