Home / 132,628.06-183,026.73-72,199.15

Finding the Fourth Proportional to 132,628.06, 183,026.73 and 72,199.15

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Solution

The fourth proportional to 132,628.06, 183,026.73 and 72,199.15 is: 99,634.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,628.06 : 183,026.73 = 72,199.15 : x
  2. Step 2: Convert to fraction form
    132,628.06/183,026.73 = 72,199.15/x
  3. Step 3: Cross multiply
    132,628.06x = 183,026.73 × 72,199.15
  4. Step 4: Simplify right side
    132,628.06x = 13,214,374,333.28
  5. Step 5: Solve for x
    x = 13,214,374,333.28/132,628.06
  6. Step 6: Final answer
    x = 99,634.83

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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.