Home / 143,875.35-198,548.28-80,217.23

Finding the Fourth Proportional to 143,875.35, 198,548.28 and 80,217.23

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Solution

The fourth proportional to 143,875.35, 198,548.28 and 80,217.23 is: 110,699.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,875.35 : 198,548.28 = 80,217.23 : x
  2. Step 2: Convert to fraction form
    143,875.35/198,548.28 = 80,217.23/x
  3. Step 3: Cross multiply
    143,875.35x = 198,548.28 × 80,217.23
  4. Step 4: Simplify right side
    143,875.35x = 15,926,992,050.12
  5. Step 5: Solve for x
    x = 15,926,992,050.12/143,875.35
  6. Step 6: Final answer
    x = 110,699.94

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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.