Home / 97,426.10-146,143.40-30,871.13

Finding the Fourth Proportional to 97,426.10, 146,143.40 and 30,871.13

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Solution

The fourth proportional to 97,426.10, 146,143.40 and 30,871.13 is: 46,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,426.10 : 146,143.40 = 30,871.13 : x
  2. Step 2: Convert to fraction form
    97,426.10/146,143.40 = 30,871.13/x
  3. Step 3: Cross multiply
    97,426.10x = 146,143.40 × 30,871.13
  4. Step 4: Simplify right side
    97,426.10x = 4,511,611,900.04
  5. Step 5: Solve for x
    x = 4,511,611,900.04/97,426.10
  6. Step 6: Final answer
    x = 46,308.04

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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.