Home / 143,394.03-197,871.93-84,448.10

Finding the Fourth Proportional to 143,394.03, 197,871.93 and 84,448.10

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Solution

The fourth proportional to 143,394.03, 197,871.93 and 84,448.10 is: 116,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,394.03 : 197,871.93 = 84,448.10 : x
  2. Step 2: Convert to fraction form
    143,394.03/197,871.93 = 84,448.10/x
  3. Step 3: Cross multiply
    143,394.03x = 197,871.93 × 84,448.10
  4. Step 4: Simplify right side
    143,394.03x = 16,709,909,026.51
  5. Step 5: Solve for x
    x = 16,709,909,026.51/143,394.03
  6. Step 6: Final answer
    x = 116,531.41

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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.