Home / 153,058.86-211,197.96-85,076.28

Finding the Fourth Proportional to 153,058.86, 211,197.96 and 85,076.28

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Solution

The fourth proportional to 153,058.86, 211,197.96 and 85,076.28 is: 117,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,058.86 : 211,197.96 = 85,076.28 : x
  2. Step 2: Convert to fraction form
    153,058.86/211,197.96 = 85,076.28/x
  3. Step 3: Cross multiply
    153,058.86x = 211,197.96 × 85,076.28
  4. Step 4: Simplify right side
    153,058.86x = 17,967,936,780.39
  5. Step 5: Solve for x
    x = 17,967,936,780.39/153,058.86
  6. Step 6: Final answer
    x = 117,392.33

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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.