Home / 132,920.38-183,426.89-72,492.36

Finding the Fourth Proportional to 132,920.38, 183,426.89 and 72,492.36

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Solution

The fourth proportional to 132,920.38, 183,426.89 and 72,492.36 is: 100,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,920.38 : 183,426.89 = 72,492.36 : x
  2. Step 2: Convert to fraction form
    132,920.38/183,426.89 = 72,492.36/x
  3. Step 3: Cross multiply
    132,920.38x = 183,426.89 × 72,492.36
  4. Step 4: Simplify right side
    132,920.38x = 13,297,048,143.56
  5. Step 5: Solve for x
    x = 13,297,048,143.56/132,920.38
  6. Step 6: Final answer
    x = 100,037.69

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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.