Home / 143,113.80-197,361.04-104,316.36

Finding the Fourth Proportional to 143,113.80, 197,361.04 and 104,316.36

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Solution

The fourth proportional to 143,113.80, 197,361.04 and 104,316.36 is: 143,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,113.80 : 197,361.04 = 104,316.36 : x
  2. Step 2: Convert to fraction form
    143,113.80/197,361.04 = 104,316.36/x
  3. Step 3: Cross multiply
    143,113.80x = 197,361.04 × 104,316.36
  4. Step 4: Simplify right side
    143,113.80x = 20,587,985,298.61
  5. Step 5: Solve for x
    x = 20,587,985,298.61/143,113.80
  6. Step 6: Final answer
    x = 143,857.44

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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.