Home / 142,863.32-214,273.92-37,689.68

Finding the Fourth Proportional to 142,863.32, 214,273.92 and 37,689.68

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Solution

The fourth proportional to 142,863.32, 214,273.92 and 37,689.68 is: 56,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,863.32 : 214,273.92 = 37,689.68 : x
  2. Step 2: Convert to fraction form
    142,863.32/214,273.92 = 37,689.68/x
  3. Step 3: Cross multiply
    142,863.32x = 214,273.92 × 37,689.68
  4. Step 4: Simplify right side
    142,863.32x = 8,075,915,477.15
  5. Step 5: Solve for x
    x = 8,075,915,477.15/142,863.32
  6. Step 6: Final answer
    x = 56,528.96

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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.