Home / 133,013.53-183,562.57-72,588.07

Finding the Fourth Proportional to 133,013.53, 183,562.57 and 72,588.07

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Solution

The fourth proportional to 133,013.53, 183,562.57 and 72,588.07 is: 100,173.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,013.53 : 183,562.57 = 72,588.07 : x
  2. Step 2: Convert to fraction form
    133,013.53/183,562.57 = 72,588.07/x
  3. Step 3: Cross multiply
    133,013.53x = 183,562.57 × 72,588.07
  4. Step 4: Simplify right side
    133,013.53x = 13,324,452,680.54
  5. Step 5: Solve for x
    x = 13,324,452,680.54/133,013.53
  6. Step 6: Final answer
    x = 100,173.66

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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.