Home / 140,400.64-210,474.52-51,635.16

Finding the Fourth Proportional to 140,400.64, 210,474.52 and 51,635.16

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Solution

The fourth proportional to 140,400.64, 210,474.52 and 51,635.16 is: 77,406.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,400.64 : 210,474.52 = 51,635.16 : x
  2. Step 2: Convert to fraction form
    140,400.64/210,474.52 = 51,635.16/x
  3. Step 3: Cross multiply
    140,400.64x = 210,474.52 × 51,635.16
  4. Step 4: Simplify right side
    140,400.64x = 10,867,885,516.12
  5. Step 5: Solve for x
    x = 10,867,885,516.12/140,400.64
  6. Step 6: Final answer
    x = 77,406.24

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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.