Home / 117,612.43-162,269.39-66,617.06

Finding the Fourth Proportional to 117,612.43, 162,269.39 and 66,617.06

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Solution

The fourth proportional to 117,612.43, 162,269.39 and 66,617.06 is: 91,911.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,612.43 : 162,269.39 = 66,617.06 : x
  2. Step 2: Convert to fraction form
    117,612.43/162,269.39 = 66,617.06/x
  3. Step 3: Cross multiply
    117,612.43x = 162,269.39 × 66,617.06
  4. Step 4: Simplify right side
    117,612.43x = 10,809,909,689.79
  5. Step 5: Solve for x
    x = 10,809,909,689.79/117,612.43
  6. Step 6: Final answer
    x = 91,911.29

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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.