Home / 147,773.36-203,926.92-80,705.36

Finding the Fourth Proportional to 147,773.36, 203,926.92 and 80,705.36

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Solution

The fourth proportional to 147,773.36, 203,926.92 and 80,705.36 is: 111,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,773.36 : 203,926.92 = 80,705.36 : x
  2. Step 2: Convert to fraction form
    147,773.36/203,926.92 = 80,705.36/x
  3. Step 3: Cross multiply
    147,773.36x = 203,926.92 × 80,705.36
  4. Step 4: Simplify right side
    147,773.36x = 16,457,995,492.29
  5. Step 5: Solve for x
    x = 16,457,995,492.29/147,773.36
  6. Step 6: Final answer
    x = 111,373.22

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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.