Home / 103,204.16-142,361.26-64,902.96

Finding the Fourth Proportional to 103,204.16, 142,361.26 and 64,902.96

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Solution

The fourth proportional to 103,204.16, 142,361.26 and 64,902.96 is: 89,528.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,204.16 : 142,361.26 = 64,902.96 : x
  2. Step 2: Convert to fraction form
    103,204.16/142,361.26 = 64,902.96/x
  3. Step 3: Cross multiply
    103,204.16x = 142,361.26 × 64,902.96
  4. Step 4: Simplify right side
    103,204.16x = 9,239,666,386.09
  5. Step 5: Solve for x
    x = 9,239,666,386.09/103,204.16
  6. Step 6: Final answer
    x = 89,528.04

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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.