Home / 177,899.48-245,514.61-101,420.49

Finding the Fourth Proportional to 177,899.48, 245,514.61 and 101,420.49

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Solution

The fourth proportional to 177,899.48, 245,514.61 and 101,420.49 is: 139,967.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,899.48 : 245,514.61 = 101,420.49 : x
  2. Step 2: Convert to fraction form
    177,899.48/245,514.61 = 101,420.49/x
  3. Step 3: Cross multiply
    177,899.48x = 245,514.61 × 101,420.49
  4. Step 4: Simplify right side
    177,899.48x = 24,900,212,048.36
  5. Step 5: Solve for x
    x = 24,900,212,048.36/177,899.48
  6. Step 6: Final answer
    x = 139,967.87

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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.