Home / 143,180.49-197,457.03-97,308.57

Finding the Fourth Proportional to 143,180.49, 197,457.03 and 97,308.57

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Solution

The fourth proportional to 143,180.49, 197,457.03 and 97,308.57 is: 134,196.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,180.49 : 197,457.03 = 97,308.57 : x
  2. Step 2: Convert to fraction form
    143,180.49/197,457.03 = 97,308.57/x
  3. Step 3: Cross multiply
    143,180.49x = 197,457.03 × 97,308.57
  4. Step 4: Simplify right side
    143,180.49x = 19,214,261,225.75
  5. Step 5: Solve for x
    x = 19,214,261,225.75/143,180.49
  6. Step 6: Final answer
    x = 134,196.09

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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.