Home / 132,906.34-183,415.16-72,480.28

Finding the Fourth Proportional to 132,906.34, 183,415.16 and 72,480.28

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Solution

The fourth proportional to 132,906.34, 183,415.16 and 72,480.28 is: 100,025.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,906.34 : 183,415.16 = 72,480.28 : x
  2. Step 2: Convert to fraction form
    132,906.34/183,415.16 = 72,480.28/x
  3. Step 3: Cross multiply
    132,906.34x = 183,415.16 × 72,480.28
  4. Step 4: Simplify right side
    132,906.34x = 13,293,982,153.04
  5. Step 5: Solve for x
    x = 13,293,982,153.04/132,906.34
  6. Step 6: Final answer
    x = 100,025.19

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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.