Home / 143,728.23-215,592.35-55,008.93

Finding the Fourth Proportional to 143,728.23, 215,592.35 and 55,008.93

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Solution

The fourth proportional to 143,728.23, 215,592.35 and 55,008.93 is: 82,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,728.23 : 215,592.35 = 55,008.93 : x
  2. Step 2: Convert to fraction form
    143,728.23/215,592.35 = 55,008.93/x
  3. Step 3: Cross multiply
    143,728.23x = 215,592.35 × 55,008.93
  4. Step 4: Simplify right side
    143,728.23x = 11,859,504,214.64
  5. Step 5: Solve for x
    x = 11,859,504,214.64/143,728.23
  6. Step 6: Final answer
    x = 82,513.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.