Home / 242,917.20-364,288.32-102,686.72

Finding the Fourth Proportional to 242,917.20, 364,288.32 and 102,686.72

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Solution

The fourth proportional to 242,917.20, 364,288.32 and 102,686.72 is: 153,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,917.20 : 364,288.32 = 102,686.72 : x
  2. Step 2: Convert to fraction form
    242,917.20/364,288.32 = 102,686.72/x
  3. Step 3: Cross multiply
    242,917.20x = 364,288.32 × 102,686.72
  4. Step 4: Simplify right side
    242,917.20x = 37,407,572,715.11
  5. Step 5: Solve for x
    x = 37,407,572,715.11/242,917.20
  6. Step 6: Final answer
    x = 153,993.10

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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.