Home / 215,422.88-297,090.02-134,857.73

Finding the Fourth Proportional to 215,422.88, 297,090.02 and 134,857.73

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Solution

The fourth proportional to 215,422.88, 297,090.02 and 134,857.73 is: 185,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,422.88 : 297,090.02 = 134,857.73 : x
  2. Step 2: Convert to fraction form
    215,422.88/297,090.02 = 134,857.73/x
  3. Step 3: Cross multiply
    215,422.88x = 297,090.02 × 134,857.73
  4. Step 4: Simplify right side
    215,422.88x = 40,064,883,543.12
  5. Step 5: Solve for x
    x = 40,064,883,543.12/215,422.88
  6. Step 6: Final answer
    x = 185,982.49

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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.