Home / 242,522.18-363,823.78-109,399.50

Finding the Fourth Proportional to 242,522.18, 363,823.78 and 109,399.50

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Solution

The fourth proportional to 242,522.18, 363,823.78 and 109,399.50 is: 164,117.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,522.18 : 363,823.78 = 109,399.50 : x
  2. Step 2: Convert to fraction form
    242,522.18/363,823.78 = 109,399.50/x
  3. Step 3: Cross multiply
    242,522.18x = 363,823.78 × 109,399.50
  4. Step 4: Simplify right side
    242,522.18x = 39,802,139,620.11
  5. Step 5: Solve for x
    x = 39,802,139,620.11/242,522.18
  6. Step 6: Final answer
    x = 164,117.52

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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.