Home / 177,577.28-245,040.54-100,065.54

Finding the Fourth Proportional to 177,577.28, 245,040.54 and 100,065.54

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Solution

The fourth proportional to 177,577.28, 245,040.54 and 100,065.54 is: 138,081.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,577.28 : 245,040.54 = 100,065.54 : x
  2. Step 2: Convert to fraction form
    177,577.28/245,040.54 = 100,065.54/x
  3. Step 3: Cross multiply
    177,577.28x = 245,040.54 × 100,065.54
  4. Step 4: Simplify right side
    177,577.28x = 24,520,113,956.99
  5. Step 5: Solve for x
    x = 24,520,113,956.99/177,577.28
  6. Step 6: Final answer
    x = 138,081.37

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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.