Home / 132,800.57-183,264.82-72,371.23

Finding the Fourth Proportional to 132,800.57, 183,264.82 and 72,371.23

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Solution

The fourth proportional to 132,800.57, 183,264.82 and 72,371.23 is: 99,872.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,800.57 : 183,264.82 = 72,371.23 : x
  2. Step 2: Convert to fraction form
    132,800.57/183,264.82 = 72,371.23/x
  3. Step 3: Cross multiply
    132,800.57x = 183,264.82 × 72,371.23
  4. Step 4: Simplify right side
    132,800.57x = 13,263,100,439.13
  5. Step 5: Solve for x
    x = 13,263,100,439.13/132,800.57
  6. Step 6: Final answer
    x = 99,872.32

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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.