Home / 177,710.72-245,240.79-97,138.55

Finding the Fourth Proportional to 177,710.72, 245,240.79 and 97,138.55

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Solution

The fourth proportional to 177,710.72, 245,240.79 and 97,138.55 is: 134,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,710.72 : 245,240.79 = 97,138.55 : x
  2. Step 2: Convert to fraction form
    177,710.72/245,240.79 = 97,138.55/x
  3. Step 3: Cross multiply
    177,710.72x = 245,240.79 × 97,138.55
  4. Step 4: Simplify right side
    177,710.72x = 23,822,335,354.56
  5. Step 5: Solve for x
    x = 23,822,335,354.56/177,710.72
  6. Step 6: Final answer
    x = 134,051.20

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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.