Home / 142,342.44-213,441.12-47,538.52

Finding the Fourth Proportional to 142,342.44, 213,441.12 and 47,538.52

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Solution

The fourth proportional to 142,342.44, 213,441.12 and 47,538.52 is: 71,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,342.44 : 213,441.12 = 47,538.52 : x
  2. Step 2: Convert to fraction form
    142,342.44/213,441.12 = 47,538.52/x
  3. Step 3: Cross multiply
    142,342.44x = 213,441.12 × 47,538.52
  4. Step 4: Simplify right side
    142,342.44x = 10,146,674,951.94
  5. Step 5: Solve for x
    x = 10,146,674,951.94/142,342.44
  6. Step 6: Final answer
    x = 71,283.55

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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.