Home / 222,733.47-307,416.87-132,139.74

Finding the Fourth Proportional to 222,733.47, 307,416.87 and 132,139.74

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Solution

The fourth proportional to 222,733.47, 307,416.87 and 132,139.74 is: 182,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,733.47 : 307,416.87 = 132,139.74 : x
  2. Step 2: Convert to fraction form
    222,733.47/307,416.87 = 132,139.74/x
  3. Step 3: Cross multiply
    222,733.47x = 307,416.87 × 132,139.74
  4. Step 4: Simplify right side
    222,733.47x = 40,621,985,273.41
  5. Step 5: Solve for x
    x = 40,621,985,273.41/222,733.47
  6. Step 6: Final answer
    x = 182,379.35

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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.