Home / 177,846.40-245,449.20-102,409.60

Finding the Fourth Proportional to 177,846.40, 245,449.20 and 102,409.60

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Solution

The fourth proportional to 177,846.40, 245,449.20 and 102,409.60 is: 141,337.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,846.40 : 245,449.20 = 102,409.60 : x
  2. Step 2: Convert to fraction form
    177,846.40/245,449.20 = 102,409.60/x
  3. Step 3: Cross multiply
    177,846.40x = 245,449.20 × 102,409.60
  4. Step 4: Simplify right side
    177,846.40x = 25,136,354,392.32
  5. Step 5: Solve for x
    x = 25,136,354,392.32/177,846.40
  6. Step 6: Final answer
    x = 141,337.44

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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.