Home / 197,496.81-272,545.20-106,852.50

Finding the Fourth Proportional to 197,496.81, 272,545.20 and 106,852.50

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Solution

The fourth proportional to 197,496.81, 272,545.20 and 106,852.50 is: 147,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,496.81 : 272,545.20 = 106,852.50 : x
  2. Step 2: Convert to fraction form
    197,496.81/272,545.20 = 106,852.50/x
  3. Step 3: Cross multiply
    197,496.81x = 272,545.20 × 106,852.50
  4. Step 4: Simplify right side
    197,496.81x = 29,122,135,983
  5. Step 5: Solve for x
    x = 29,122,135,983/197,496.81
  6. Step 6: Final answer
    x = 147,456.23

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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.