Home / 97,942.61-146,909.78-31,381.26

Finding the Fourth Proportional to 97,942.61, 146,909.78 and 31,381.26

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Solution

The fourth proportional to 97,942.61, 146,909.78 and 31,381.26 is: 47,070.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,942.61 : 146,909.78 = 31,381.26 : x
  2. Step 2: Convert to fraction form
    97,942.61/146,909.78 = 31,381.26/x
  3. Step 3: Cross multiply
    97,942.61x = 146,909.78 × 31,381.26
  4. Step 4: Simplify right side
    97,942.61x = 4,610,214,002.72
  5. Step 5: Solve for x
    x = 4,610,214,002.72/97,942.61
  6. Step 6: Final answer
    x = 47,070.57

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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.