Home / 142,525.80-213,731.10-48,983.40

Finding the Fourth Proportional to 142,525.80, 213,731.10 and 48,983.40

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Solution

The fourth proportional to 142,525.80, 213,731.10 and 48,983.40 is: 73,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,525.80 : 213,731.10 = 48,983.40 : x
  2. Step 2: Convert to fraction form
    142,525.80/213,731.10 = 48,983.40/x
  3. Step 3: Cross multiply
    142,525.80x = 213,731.10 × 48,983.40
  4. Step 4: Simplify right side
    142,525.80x = 10,469,275,963.74
  5. Step 5: Solve for x
    x = 10,469,275,963.74/142,525.80
  6. Step 6: Final answer
    x = 73,455.30

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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.