Home / 215,750.10-297,773.19-135,246.66

Finding the Fourth Proportional to 215,750.10, 297,773.19 and 135,246.66

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Solution

The fourth proportional to 215,750.10, 297,773.19 and 135,246.66 is: 186,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,750.10 : 297,773.19 = 135,246.66 : x
  2. Step 2: Convert to fraction form
    215,750.10/297,773.19 = 135,246.66/x
  3. Step 3: Cross multiply
    215,750.10x = 297,773.19 × 135,246.66
  4. Step 4: Simplify right side
    215,750.10x = 40,272,829,385.05
  5. Step 5: Solve for x
    x = 40,272,829,385.05/215,750.10
  6. Step 6: Final answer
    x = 186,664.24

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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.