Home / 177,961.86-245,563.65-102,495.78

Finding the Fourth Proportional to 177,961.86, 245,563.65 and 102,495.78

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Solution

The fourth proportional to 177,961.86, 245,563.65 and 102,495.78 is: 141,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,961.86 : 245,563.65 = 102,495.78 : x
  2. Step 2: Convert to fraction form
    177,961.86/245,563.65 = 102,495.78/x
  3. Step 3: Cross multiply
    177,961.86x = 245,563.65 × 102,495.78
  4. Step 4: Simplify right side
    177,961.86x = 25,169,237,846.40
  5. Step 5: Solve for x
    x = 25,169,237,846.40/177,961.86
  6. Step 6: Final answer
    x = 141,430.52

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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.