Home / 178,945.20-246,944.88-102,465.45

Finding the Fourth Proportional to 178,945.20, 246,944.88 and 102,465.45

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Solution

The fourth proportional to 178,945.20, 246,944.88 and 102,465.45 is: 141,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,945.20 : 246,944.88 = 102,465.45 : x
  2. Step 2: Convert to fraction form
    178,945.20/246,944.88 = 102,465.45/x
  3. Step 3: Cross multiply
    178,945.20x = 246,944.88 × 102,465.45
  4. Step 4: Simplify right side
    178,945.20x = 25,303,318,254.40
  5. Step 5: Solve for x
    x = 25,303,318,254.40/178,945.20
  6. Step 6: Final answer
    x = 141,402.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.