Home / 155,712.16-214,882.78-84,092.18

Finding the Fourth Proportional to 155,712.16, 214,882.78 and 84,092.18

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Solution

The fourth proportional to 155,712.16, 214,882.78 and 84,092.18 is: 116,047.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,712.16 : 214,882.78 = 84,092.18 : x
  2. Step 2: Convert to fraction form
    155,712.16/214,882.78 = 84,092.18/x
  3. Step 3: Cross multiply
    155,712.16x = 214,882.78 × 84,092.18
  4. Step 4: Simplify right side
    155,712.16x = 18,069,961,414.66
  5. Step 5: Solve for x
    x = 18,069,961,414.66/155,712.16
  6. Step 6: Final answer
    x = 116,047.21

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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.