Home / 229,429.11-316,633.56-138,807.33

Finding the Fourth Proportional to 229,429.11, 316,633.56 and 138,807.33

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Solution

The fourth proportional to 229,429.11, 316,633.56 and 138,807.33 is: 191,567.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,429.11 : 316,633.56 = 138,807.33 : x
  2. Step 2: Convert to fraction form
    229,429.11/316,633.56 = 138,807.33/x
  3. Step 3: Cross multiply
    229,429.11x = 316,633.56 × 138,807.33
  4. Step 4: Simplify right side
    229,429.11x = 43,951,059,051.99
  5. Step 5: Solve for x
    x = 43,951,059,051.99/229,429.11
  6. Step 6: Final answer
    x = 191,567.06

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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.