Home / 177,824.72-245,447.88-102,403.28

Finding the Fourth Proportional to 177,824.72, 245,447.88 and 102,403.28

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Solution

The fourth proportional to 177,824.72, 245,447.88 and 102,403.28 is: 141,345.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,824.72 : 245,447.88 = 102,403.28 : x
  2. Step 2: Convert to fraction form
    177,824.72/245,447.88 = 102,403.28/x
  3. Step 3: Cross multiply
    177,824.72x = 245,447.88 × 102,403.28
  4. Step 4: Simplify right side
    177,824.72x = 25,134,667,981.05
  5. Step 5: Solve for x
    x = 25,134,667,981.05/177,824.72
  6. Step 6: Final answer
    x = 141,345.19

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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.