Home / 142,161.29-213,227.29-47,381.23

Finding the Fourth Proportional to 142,161.29, 213,227.29 and 47,381.23

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Solution

The fourth proportional to 142,161.29, 213,227.29 and 47,381.23 is: 71,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,161.29 : 213,227.29 = 47,381.23 : x
  2. Step 2: Convert to fraction form
    142,161.29/213,227.29 = 47,381.23/x
  3. Step 3: Cross multiply
    142,161.29x = 213,227.29 × 47,381.23
  4. Step 4: Simplify right side
    142,161.29x = 10,102,971,595.53
  5. Step 5: Solve for x
    x = 10,102,971,595.53/142,161.29
  6. Step 6: Final answer
    x = 71,066.97

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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.