Home / 123,932.03-171,012.32-70,205.54

Finding the Fourth Proportional to 123,932.03, 171,012.32 and 70,205.54

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Solution

The fourth proportional to 123,932.03, 171,012.32 and 70,205.54 is: 96,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,932.03 : 171,012.32 = 70,205.54 : x
  2. Step 2: Convert to fraction form
    123,932.03/171,012.32 = 70,205.54/x
  3. Step 3: Cross multiply
    123,932.03x = 171,012.32 × 70,205.54
  4. Step 4: Simplify right side
    123,932.03x = 12,006,012,272.25
  5. Step 5: Solve for x
    x = 12,006,012,272.25/123,932.03
  6. Step 6: Final answer
    x = 96,875.78

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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.