Home / 142,428.96-213,657.88-37,248.80

Finding the Fourth Proportional to 142,428.96, 213,657.88 and 37,248.80

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Solution

The fourth proportional to 142,428.96, 213,657.88 and 37,248.80 is: 55,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,428.96 : 213,657.88 = 37,248.80 : x
  2. Step 2: Convert to fraction form
    142,428.96/213,657.88 = 37,248.80/x
  3. Step 3: Cross multiply
    142,428.96x = 213,657.88 × 37,248.80
  4. Step 4: Simplify right side
    142,428.96x = 7,958,499,640.54
  5. Step 5: Solve for x
    x = 7,958,499,640.54/142,428.96
  6. Step 6: Final answer
    x = 55,876.98

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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.