Home / 157,739.20-217,454.02-97,269.26

Finding the Fourth Proportional to 157,739.20, 217,454.02 and 97,269.26

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Solution

The fourth proportional to 157,739.20, 217,454.02 and 97,269.26 is: 134,092.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,739.20 : 217,454.02 = 97,269.26 : x
  2. Step 2: Convert to fraction form
    157,739.20/217,454.02 = 97,269.26/x
  3. Step 3: Cross multiply
    157,739.20x = 217,454.02 × 97,269.26
  4. Step 4: Simplify right side
    157,739.20x = 21,151,590,278.98
  5. Step 5: Solve for x
    x = 21,151,590,278.98/157,739.20
  6. Step 6: Final answer
    x = 134,092.16

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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.