Home / 140,158.37-210,265.29-51,412.64

Finding the Fourth Proportional to 140,158.37, 210,265.29 and 51,412.64

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Solution

The fourth proportional to 140,158.37, 210,265.29 and 51,412.64 is: 77,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,158.37 : 210,265.29 = 51,412.64 : x
  2. Step 2: Convert to fraction form
    140,158.37/210,265.29 = 51,412.64/x
  3. Step 3: Cross multiply
    140,158.37x = 210,265.29 × 51,412.64
  4. Step 4: Simplify right side
    140,158.37x = 10,810,292,607.94
  5. Step 5: Solve for x
    x = 10,810,292,607.94/140,158.37
  6. Step 6: Final answer
    x = 77,129.13

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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.