Home / 242,544.20-363,989.10-102,403.40

Finding the Fourth Proportional to 242,544.20, 363,989.10 and 102,403.40

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Solution

The fourth proportional to 242,544.20, 363,989.10 and 102,403.40 is: 153,678.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,544.20 : 363,989.10 = 102,403.40 : x
  2. Step 2: Convert to fraction form
    242,544.20/363,989.10 = 102,403.40/x
  3. Step 3: Cross multiply
    242,544.20x = 363,989.10 × 102,403.40
  4. Step 4: Simplify right side
    242,544.20x = 37,273,721,402.94
  5. Step 5: Solve for x
    x = 37,273,721,402.94/242,544.20
  6. Step 6: Final answer
    x = 153,678.06

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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.