Home / 143,376.84-215,065.02-38,196.12

Finding the Fourth Proportional to 143,376.84, 215,065.02 and 38,196.12

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Solution

The fourth proportional to 143,376.84, 215,065.02 and 38,196.12 is: 57,294.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,376.84 : 215,065.02 = 38,196.12 : x
  2. Step 2: Convert to fraction form
    143,376.84/215,065.02 = 38,196.12/x
  3. Step 3: Cross multiply
    143,376.84x = 215,065.02 × 38,196.12
  4. Step 4: Simplify right side
    143,376.84x = 8,214,649,311.72
  5. Step 5: Solve for x
    x = 8,214,649,311.72/143,376.84
  6. Step 6: Final answer
    x = 57,294.12

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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.