Home / 140,243.60-210,240.29-51,476.51

Finding the Fourth Proportional to 140,243.60, 210,240.29 and 51,476.51

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Solution

The fourth proportional to 140,243.60, 210,240.29 and 51,476.51 is: 77,168.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,243.60 : 210,240.29 = 51,476.51 : x
  2. Step 2: Convert to fraction form
    140,243.60/210,240.29 = 51,476.51/x
  3. Step 3: Cross multiply
    140,243.60x = 210,240.29 × 51,476.51
  4. Step 4: Simplify right side
    140,243.60x = 10,822,435,468.08
  5. Step 5: Solve for x
    x = 10,822,435,468.08/140,243.60
  6. Step 6: Final answer
    x = 77,168.84

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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.