Home / 133,177.35-183,776.76-72,735.96

Finding the Fourth Proportional to 133,177.35, 183,776.76 and 72,735.96

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Solution

The fourth proportional to 133,177.35, 183,776.76 and 72,735.96 is: 100,371.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,177.35 : 183,776.76 = 72,735.96 : x
  2. Step 2: Convert to fraction form
    133,177.35/183,776.76 = 72,735.96/x
  3. Step 3: Cross multiply
    133,177.35x = 183,776.76 × 72,735.96
  4. Step 4: Simplify right side
    133,177.35x = 13,367,179,064.29
  5. Step 5: Solve for x
    x = 13,367,179,064.29/133,177.35
  6. Step 6: Final answer
    x = 100,371.26

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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.