Home / 153,028.80-211,175.52-85,044.06

Finding the Fourth Proportional to 153,028.80, 211,175.52 and 85,044.06

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Solution

The fourth proportional to 153,028.80, 211,175.52 and 85,044.06 is: 117,358.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,028.80 : 211,175.52 = 85,044.06 : x
  2. Step 2: Convert to fraction form
    153,028.80/211,175.52 = 85,044.06/x
  3. Step 3: Cross multiply
    153,028.80x = 211,175.52 × 85,044.06
  4. Step 4: Simplify right side
    153,028.80x = 17,959,223,593.41
  5. Step 5: Solve for x
    x = 17,959,223,593.41/153,028.80
  6. Step 6: Final answer
    x = 117,358.46

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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.