Home / 151,677.20-227,515.80-140,272.40

Finding the Fourth Proportional to 151,677.20, 227,515.80 and 140,272.40

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Solution

The fourth proportional to 151,677.20, 227,515.80 and 140,272.40 is: 210,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,677.20 : 227,515.80 = 140,272.40 : x
  2. Step 2: Convert to fraction form
    151,677.20/227,515.80 = 140,272.40/x
  3. Step 3: Cross multiply
    151,677.20x = 227,515.80 × 140,272.40
  4. Step 4: Simplify right side
    151,677.20x = 31,914,187,303.92
  5. Step 5: Solve for x
    x = 31,914,187,303.92/151,677.20
  6. Step 6: Final answer
    x = 210,408.60

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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.