Home / 155,583.40-232,856.70-143,141.80

Finding the Fourth Proportional to 155,583.40, 232,856.70 and 143,141.80

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Solution

The fourth proportional to 155,583.40, 232,856.70 and 143,141.80 is: 214,235.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,583.40 : 232,856.70 = 143,141.80 : x
  2. Step 2: Convert to fraction form
    155,583.40/232,856.70 = 143,141.80/x
  3. Step 3: Cross multiply
    155,583.40x = 232,856.70 × 143,141.80
  4. Step 4: Simplify right side
    155,583.40x = 33,331,527,180.06
  5. Step 5: Solve for x
    x = 33,331,527,180.06/155,583.40
  6. Step 6: Final answer
    x = 214,235.76

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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.