Home / 155,712.49-214,883.23-84,092.51

Finding the Fourth Proportional to 155,712.49, 214,883.23 and 84,092.51

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Solution

The fourth proportional to 155,712.49, 214,883.23 and 84,092.51 is: 116,047.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,712.49 : 214,883.23 = 84,092.51 : x
  2. Step 2: Convert to fraction form
    155,712.49/214,883.23 = 84,092.51/x
  3. Step 3: Cross multiply
    155,712.49x = 214,883.23 × 84,092.51
  4. Step 4: Simplify right side
    155,712.49x = 18,070,068,882.96
  5. Step 5: Solve for x
    x = 18,070,068,882.96/155,712.49
  6. Step 6: Final answer
    x = 116,047.65

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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.