Home / 96,173.10-132,731.82-72,258.30

Finding the Fourth Proportional to 96,173.10, 132,731.82 and 72,258.30

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Solution

The fourth proportional to 96,173.10, 132,731.82 and 72,258.30 is: 99,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,173.10 : 132,731.82 = 72,258.30 : x
  2. Step 2: Convert to fraction form
    96,173.10/132,731.82 = 72,258.30/x
  3. Step 3: Cross multiply
    96,173.10x = 132,731.82 × 72,258.30
  4. Step 4: Simplify right side
    96,173.10x = 9,590,975,669.11
  5. Step 5: Solve for x
    x = 9,590,975,669.11/96,173.10
  6. Step 6: Final answer
    x = 99,726.18

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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.