Home / 215,783.93-297,782.50-117,666.43

Finding the Fourth Proportional to 215,783.93, 297,782.50 and 117,666.43

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Solution

The fourth proportional to 215,783.93, 297,782.50 and 117,666.43 is: 162,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,783.93 : 297,782.50 = 117,666.43 : x
  2. Step 2: Convert to fraction form
    215,783.93/297,782.50 = 117,666.43/x
  3. Step 3: Cross multiply
    215,783.93x = 297,782.50 × 117,666.43
  4. Step 4: Simplify right side
    215,783.93x = 35,039,003,691.48
  5. Step 5: Solve for x
    x = 35,039,003,691.48/215,783.93
  6. Step 6: Final answer
    x = 162,380.04

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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.