Home / 132,622.21-183,020.56-72,194.74

Finding the Fourth Proportional to 132,622.21, 183,020.56 and 72,194.74

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Solution

The fourth proportional to 132,622.21, 183,020.56 and 72,194.74 is: 99,629.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,622.21 : 183,020.56 = 72,194.74 : x
  2. Step 2: Convert to fraction form
    132,622.21/183,020.56 = 72,194.74/x
  3. Step 3: Cross multiply
    132,622.21x = 183,020.56 × 72,194.74
  4. Step 4: Simplify right side
    132,622.21x = 13,213,122,541.40
  5. Step 5: Solve for x
    x = 13,213,122,541.40/132,622.21
  6. Step 6: Final answer
    x = 99,629.79

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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.