Home / 151,055.03-208,457.28-82,144.73

Finding the Fourth Proportional to 151,055.03, 208,457.28 and 82,144.73

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Solution

The fourth proportional to 151,055.03, 208,457.28 and 82,144.73 is: 113,360.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,055.03 : 208,457.28 = 82,144.73 : x
  2. Step 2: Convert to fraction form
    151,055.03/208,457.28 = 82,144.73/x
  3. Step 3: Cross multiply
    151,055.03x = 208,457.28 × 82,144.73
  4. Step 4: Simplify right side
    151,055.03x = 17,123,666,982.13
  5. Step 5: Solve for x
    x = 17,123,666,982.13/151,055.03
  6. Step 6: Final answer
    x = 113,360.46

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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.