Home / 177,131.80-265,513.14-77,265.16

Finding the Fourth Proportional to 177,131.80, 265,513.14 and 77,265.16

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Solution

The fourth proportional to 177,131.80, 265,513.14 and 77,265.16 is: 115,817.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,131.80 : 265,513.14 = 77,265.16 : x
  2. Step 2: Convert to fraction form
    177,131.80/265,513.14 = 77,265.16/x
  3. Step 3: Cross multiply
    177,131.80x = 265,513.14 × 77,265.16
  4. Step 4: Simplify right side
    177,131.80x = 20,514,915,244.20
  5. Step 5: Solve for x
    x = 20,514,915,244.20/177,131.80
  6. Step 6: Final answer
    x = 115,817.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.