Home / 101,546.55-140,135.31-56,225.22

Finding the Fourth Proportional to 101,546.55, 140,135.31 and 56,225.22

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Solution

The fourth proportional to 101,546.55, 140,135.31 and 56,225.22 is: 77,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,546.55 : 140,135.31 = 56,225.22 : x
  2. Step 2: Convert to fraction form
    101,546.55/140,135.31 = 56,225.22/x
  3. Step 3: Cross multiply
    101,546.55x = 140,135.31 × 56,225.22
  4. Step 4: Simplify right side
    101,546.55x = 7,879,138,634.52
  5. Step 5: Solve for x
    x = 7,879,138,634.52/101,546.55
  6. Step 6: Final answer
    x = 77,591.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.