Home / 133,154.42-183,728.75-75,790.37

Finding the Fourth Proportional to 133,154.42, 183,728.75 and 75,790.37

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Solution

The fourth proportional to 133,154.42, 183,728.75 and 75,790.37 is: 104,576.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,154.42 : 183,728.75 = 75,790.37 : x
  2. Step 2: Convert to fraction form
    133,154.42/183,728.75 = 75,790.37/x
  3. Step 3: Cross multiply
    133,154.42x = 183,728.75 × 75,790.37
  4. Step 4: Simplify right side
    133,154.42x = 13,924,868,644.54
  5. Step 5: Solve for x
    x = 13,924,868,644.54/133,154.42
  6. Step 6: Final answer
    x = 104,576.85

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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.