Home / 212,125.26-292,777.38-134,550.76

Finding the Fourth Proportional to 212,125.26, 292,777.38 and 134,550.76

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Solution

The fourth proportional to 212,125.26, 292,777.38 and 134,550.76 is: 185,708.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,125.26 : 292,777.38 = 134,550.76 : x
  2. Step 2: Convert to fraction form
    212,125.26/292,777.38 = 134,550.76/x
  3. Step 3: Cross multiply
    212,125.26x = 292,777.38 × 134,550.76
  4. Step 4: Simplify right side
    212,125.26x = 39,393,418,989.81
  5. Step 5: Solve for x
    x = 39,393,418,989.81/212,125.26
  6. Step 6: Final answer
    x = 185,708.29

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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.