Home / 177,732.72-245,271.36-102,281.28

Finding the Fourth Proportional to 177,732.72, 245,271.36 and 102,281.28

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Solution

The fourth proportional to 177,732.72, 245,271.36 and 102,281.28 is: 141,148.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,732.72 : 245,271.36 = 102,281.28 : x
  2. Step 2: Convert to fraction form
    177,732.72/245,271.36 = 102,281.28/x
  3. Step 3: Cross multiply
    177,732.72x = 245,271.36 × 102,281.28
  4. Step 4: Simplify right side
    177,732.72x = 25,086,668,648.14
  5. Step 5: Solve for x
    x = 25,086,668,648.14/177,732.72
  6. Step 6: Final answer
    x = 141,148.29

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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.