Home / 102,163.56-140,984.93-56,225.85

Finding the Fourth Proportional to 102,163.56, 140,984.93 and 56,225.85

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Solution

The fourth proportional to 102,163.56, 140,984.93 and 56,225.85 is: 77,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,163.56 : 140,984.93 = 56,225.85 : x
  2. Step 2: Convert to fraction form
    102,163.56/140,984.93 = 56,225.85/x
  3. Step 3: Cross multiply
    102,163.56x = 140,984.93 × 56,225.85
  4. Step 4: Simplify right side
    102,163.56x = 7,926,997,245.31
  5. Step 5: Solve for x
    x = 7,926,997,245.31/102,163.56
  6. Step 6: Final answer
    x = 77,591.24

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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.