Home / 140,733.60-210,921.20-57,533.60

Finding the Fourth Proportional to 140,733.60, 210,921.20 and 57,533.60

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Solution

The fourth proportional to 140,733.60, 210,921.20 and 57,533.60 is: 86,227.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,733.60 : 210,921.20 = 57,533.60 : x
  2. Step 2: Convert to fraction form
    140,733.60/210,921.20 = 57,533.60/x
  3. Step 3: Cross multiply
    140,733.60x = 210,921.20 × 57,533.60
  4. Step 4: Simplify right side
    140,733.60x = 12,135,055,952.32
  5. Step 5: Solve for x
    x = 12,135,055,952.32/140,733.60
  6. Step 6: Final answer
    x = 86,227.14

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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.