Home / 202,112.66-278,935.18-151,036.70

Finding the Fourth Proportional to 202,112.66, 278,935.18 and 151,036.70

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Solution

The fourth proportional to 202,112.66, 278,935.18 and 151,036.70 is: 208,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,112.66 : 278,935.18 = 151,036.70 : x
  2. Step 2: Convert to fraction form
    202,112.66/278,935.18 = 151,036.70/x
  3. Step 3: Cross multiply
    202,112.66x = 278,935.18 × 151,036.70
  4. Step 4: Simplify right side
    202,112.66x = 42,129,449,101.11
  5. Step 5: Solve for x
    x = 42,129,449,101.11/202,112.66
  6. Step 6: Final answer
    x = 208,445.37

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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.