Home / 168,437.12-232,441.78-92,984

Finding the Fourth Proportional to 168,437.12, 232,441.78 and 92,984

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Solution

The fourth proportional to 168,437.12, 232,441.78 and 92,984 is: 128,317.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,437.12 : 232,441.78 = 92,984 : x
  2. Step 2: Convert to fraction form
    168,437.12/232,441.78 = 92,984/x
  3. Step 3: Cross multiply
    168,437.12x = 232,441.78 × 92,984
  4. Step 4: Simplify right side
    168,437.12x = 21,613,366,471.52
  5. Step 5: Solve for x
    x = 21,613,366,471.52/168,437.12
  6. Step 6: Final answer
    x = 128,317.12

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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.