Home / 140,533.44-210,458.88-77,256.96

Finding the Fourth Proportional to 140,533.44, 210,458.88 and 77,256.96

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Solution

The fourth proportional to 140,533.44, 210,458.88 and 77,256.96 is: 115,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,533.44 : 210,458.88 = 77,256.96 : x
  2. Step 2: Convert to fraction form
    140,533.44/210,458.88 = 77,256.96/x
  3. Step 3: Cross multiply
    140,533.44x = 210,458.88 × 77,256.96
  4. Step 4: Simplify right side
    140,533.44x = 16,259,413,273.80
  5. Step 5: Solve for x
    x = 16,259,413,273.80/140,533.44
  6. Step 6: Final answer
    x = 115,697.82

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1.5x scale

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.