Home / 140,629.88-210,921.30-61,722.92

Finding the Fourth Proportional to 140,629.88, 210,921.30 and 61,722.92

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Solution

The fourth proportional to 140,629.88, 210,921.30 and 61,722.92 is: 92,574.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,629.88 : 210,921.30 = 61,722.92 : x
  2. Step 2: Convert to fraction form
    140,629.88/210,921.30 = 61,722.92/x
  3. Step 3: Cross multiply
    140,629.88x = 210,921.30 × 61,722.92
  4. Step 4: Simplify right side
    140,629.88x = 13,018,678,526.20
  5. Step 5: Solve for x
    x = 13,018,678,526.20/140,629.88
  6. Step 6: Final answer
    x = 92,574.06

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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.