Home / 142,571.09-196,545.29-97,190.84

Finding the Fourth Proportional to 142,571.09, 196,545.29 and 97,190.84

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Solution

The fourth proportional to 142,571.09, 196,545.29 and 97,190.84 is: 133,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,571.09 : 196,545.29 = 97,190.84 : x
  2. Step 2: Convert to fraction form
    142,571.09/196,545.29 = 97,190.84/x
  3. Step 3: Cross multiply
    142,571.09x = 196,545.29 × 97,190.84
  4. Step 4: Simplify right side
    142,571.09x = 19,102,400,732.99
  5. Step 5: Solve for x
    x = 19,102,400,732.99/142,571.09
  6. Step 6: Final answer
    x = 133,985.10

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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.