Home / 132,781.23-183,236.46-72,350.34

Finding the Fourth Proportional to 132,781.23, 183,236.46 and 72,350.34

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Solution

The fourth proportional to 132,781.23, 183,236.46 and 72,350.34 is: 99,842.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,781.23 : 183,236.46 = 72,350.34 : x
  2. Step 2: Convert to fraction form
    132,781.23/183,236.46 = 72,350.34/x
  3. Step 3: Cross multiply
    132,781.23x = 183,236.46 × 72,350.34
  4. Step 4: Simplify right side
    132,781.23x = 13,257,220,181.40
  5. Step 5: Solve for x
    x = 13,257,220,181.40/132,781.23
  6. Step 6: Final answer
    x = 99,842.58

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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.