Home / 143,039.52-197,430.84-97,735.80

Finding the Fourth Proportional to 143,039.52, 197,430.84 and 97,735.80

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Solution

The fourth proportional to 143,039.52, 197,430.84 and 97,735.80 is: 134,900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,039.52 : 197,430.84 = 97,735.80 : x
  2. Step 2: Convert to fraction form
    143,039.52/197,430.84 = 97,735.80/x
  3. Step 3: Cross multiply
    143,039.52x = 197,430.84 × 97,735.80
  4. Step 4: Simplify right side
    143,039.52x = 19,296,061,092.07
  5. Step 5: Solve for x
    x = 19,296,061,092.07/143,039.52
  6. Step 6: Final answer
    x = 134,900.21

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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.