Home / 177,560.64-245,040.96-102,109.14

Finding the Fourth Proportional to 177,560.64, 245,040.96 and 102,109.14

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Solution

The fourth proportional to 177,560.64, 245,040.96 and 102,109.14 is: 140,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,560.64 : 245,040.96 = 102,109.14 : x
  2. Step 2: Convert to fraction form
    177,560.64/245,040.96 = 102,109.14/x
  3. Step 3: Cross multiply
    177,560.64x = 245,040.96 × 102,109.14
  4. Step 4: Simplify right side
    177,560.64x = 25,020,921,690.37
  5. Step 5: Solve for x
    x = 25,020,921,690.37/177,560.64
  6. Step 6: Final answer
    x = 140,914.80

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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.