Home / 132,620.38-183,018.46-72,192.76

Finding the Fourth Proportional to 132,620.38, 183,018.46 and 72,192.76

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Solution

The fourth proportional to 132,620.38, 183,018.46 and 72,192.76 is: 99,627.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,620.38 : 183,018.46 = 72,192.76 : x
  2. Step 2: Convert to fraction form
    132,620.38/183,018.46 = 72,192.76/x
  3. Step 3: Cross multiply
    132,620.38x = 183,018.46 × 72,192.76
  4. Step 4: Simplify right side
    132,620.38x = 13,212,607,758.35
  5. Step 5: Solve for x
    x = 13,212,607,758.35/132,620.38
  6. Step 6: Final answer
    x = 99,627.28

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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.