Home / 96,945.02-133,781.51-54,506.28

Finding the Fourth Proportional to 96,945.02, 133,781.51 and 54,506.28

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Solution

The fourth proportional to 96,945.02, 133,781.51 and 54,506.28 is: 75,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,945.02 : 133,781.51 = 54,506.28 : x
  2. Step 2: Convert to fraction form
    96,945.02/133,781.51 = 54,506.28/x
  3. Step 3: Cross multiply
    96,945.02x = 133,781.51 × 54,506.28
  4. Step 4: Simplify right side
    96,945.02x = 7,291,932,442.88
  5. Step 5: Solve for x
    x = 7,291,932,442.88/96,945.02
  6. Step 6: Final answer
    x = 75,217.19

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1.5x scale

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.