Home / 177,795.05-245,337.03-105,200.15

Finding the Fourth Proportional to 177,795.05, 245,337.03 and 105,200.15

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Solution

The fourth proportional to 177,795.05, 245,337.03 and 105,200.15 is: 145,164.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,795.05 : 245,337.03 = 105,200.15 : x
  2. Step 2: Convert to fraction form
    177,795.05/245,337.03 = 105,200.15/x
  3. Step 3: Cross multiply
    177,795.05x = 245,337.03 × 105,200.15
  4. Step 4: Simplify right side
    177,795.05x = 25,809,492,356.55
  5. Step 5: Solve for x
    x = 25,809,492,356.55/177,795.05
  6. Step 6: Final answer
    x = 145,164.29

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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.