Home / 131,409.17-197,208.80-52,545.41

Finding the Fourth Proportional to 131,409.17, 197,208.80 and 52,545.41

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Solution

The fourth proportional to 131,409.17, 197,208.80 and 52,545.41 is: 78,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,409.17 : 197,208.80 = 52,545.41 : x
  2. Step 2: Convert to fraction form
    131,409.17/197,208.80 = 52,545.41/x
  3. Step 3: Cross multiply
    131,409.17x = 197,208.80 × 52,545.41
  4. Step 4: Simplify right side
    131,409.17x = 10,362,417,875.99
  5. Step 5: Solve for x
    x = 10,362,417,875.99/131,409.17
  6. Step 6: Final answer
    x = 78,856.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.