Home / 140,359.43-210,622.52-51,675.21

Finding the Fourth Proportional to 140,359.43, 210,622.52 and 51,675.21

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Solution

The fourth proportional to 140,359.43, 210,622.52 and 51,675.21 is: 77,543.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,359.43 : 210,622.52 = 51,675.21 : x
  2. Step 2: Convert to fraction form
    140,359.43/210,622.52 = 51,675.21/x
  3. Step 3: Cross multiply
    140,359.43x = 210,622.52 × 51,675.21
  4. Step 4: Simplify right side
    140,359.43x = 10,883,963,080.92
  5. Step 5: Solve for x
    x = 10,883,963,080.92/140,359.43
  6. Step 6: Final answer
    x = 77,543.51

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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.