Home / 133,111.14-183,693.76-72,682.31

Finding the Fourth Proportional to 133,111.14, 183,693.76 and 72,682.31

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Solution

The fourth proportional to 133,111.14, 183,693.76 and 72,682.31 is: 100,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,111.14 : 183,693.76 = 72,682.31 : x
  2. Step 2: Convert to fraction form
    133,111.14/183,693.76 = 72,682.31/x
  3. Step 3: Cross multiply
    133,111.14x = 183,693.76 × 72,682.31
  4. Step 4: Simplify right side
    133,111.14x = 13,351,285,709.21
  5. Step 5: Solve for x
    x = 13,351,285,709.21/133,111.14
  6. Step 6: Final answer
    x = 100,301.79

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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.