Home / 92,703.55-139,105.79-39,387.19

Finding the Fourth Proportional to 92,703.55, 139,105.79 and 39,387.19

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Solution

The fourth proportional to 92,703.55, 139,105.79 and 39,387.19 is: 59,102.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,703.55 : 139,105.79 = 39,387.19 : x
  2. Step 2: Convert to fraction form
    92,703.55/139,105.79 = 39,387.19/x
  3. Step 3: Cross multiply
    92,703.55x = 139,105.79 × 39,387.19
  4. Step 4: Simplify right side
    92,703.55x = 5,478,986,479.36
  5. Step 5: Solve for x
    x = 5,478,986,479.36/92,703.55
  6. Step 6: Final answer
    x = 59,102.23

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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.