Home / 88,270.10-132,405.15-56,777.30

Finding the Fourth Proportional to 88,270.10, 132,405.15 and 56,777.30

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Solution

The fourth proportional to 88,270.10, 132,405.15 and 56,777.30 is: 85,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,270.10 : 132,405.15 = 56,777.30 : x
  2. Step 2: Convert to fraction form
    88,270.10/132,405.15 = 56,777.30/x
  3. Step 3: Cross multiply
    88,270.10x = 132,405.15 × 56,777.30
  4. Step 4: Simplify right side
    88,270.10x = 7,517,606,923.10
  5. Step 5: Solve for x
    x = 7,517,606,923.10/88,270.10
  6. Step 6: Final answer
    x = 85,165.95

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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.