Home / 143,823.56-215,832.54-50,330.12

Finding the Fourth Proportional to 143,823.56, 215,832.54 and 50,330.12

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Solution

The fourth proportional to 143,823.56, 215,832.54 and 50,330.12 is: 75,529.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,823.56 : 215,832.54 = 50,330.12 : x
  2. Step 2: Convert to fraction form
    143,823.56/215,832.54 = 50,330.12/x
  3. Step 3: Cross multiply
    143,823.56x = 215,832.54 × 50,330.12
  4. Step 4: Simplify right side
    143,823.56x = 10,862,877,638.10
  5. Step 5: Solve for x
    x = 10,862,877,638.10/143,823.56
  6. Step 6: Final answer
    x = 75,529.19

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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.