Home / 140,321.45-210,565.24-51,637.25

Finding the Fourth Proportional to 140,321.45, 210,565.24 and 51,637.25

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Solution

The fourth proportional to 140,321.45, 210,565.24 and 51,637.25 is: 77,486.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,321.45 : 210,565.24 = 51,637.25 : x
  2. Step 2: Convert to fraction form
    140,321.45/210,565.24 = 51,637.25/x
  3. Step 3: Cross multiply
    140,321.45x = 210,565.24 × 51,637.25
  4. Step 4: Simplify right side
    140,321.45x = 10,873,009,939.19
  5. Step 5: Solve for x
    x = 10,873,009,939.19/140,321.45
  6. Step 6: Final answer
    x = 77,486.44

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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.