Home / 142,334.37-213,431.80-47,531.97

Finding the Fourth Proportional to 142,334.37, 213,431.80 and 47,531.97

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Solution

The fourth proportional to 142,334.37, 213,431.80 and 47,531.97 is: 71,274.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,334.37 : 213,431.80 = 47,531.97 : x
  2. Step 2: Convert to fraction form
    142,334.37/213,431.80 = 47,531.97/x
  3. Step 3: Cross multiply
    142,334.37x = 213,431.80 × 47,531.97
  4. Step 4: Simplify right side
    142,334.37x = 10,144,834,329.40
  5. Step 5: Solve for x
    x = 10,144,834,329.40/142,334.37
  6. Step 6: Final answer
    x = 71,274.66

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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.