Home / 143,225.24-214,510.80-68,398.04

Finding the Fourth Proportional to 143,225.24, 214,510.80 and 68,398.04

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Solution

The fourth proportional to 143,225.24, 214,510.80 and 68,398.04 is: 102,440.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,225.24 : 214,510.80 = 68,398.04 : x
  2. Step 2: Convert to fraction form
    143,225.24/214,510.80 = 68,398.04/x
  3. Step 3: Cross multiply
    143,225.24x = 214,510.80 × 68,398.04
  4. Step 4: Simplify right side
    143,225.24x = 14,672,118,278.83
  5. Step 5: Solve for x
    x = 14,672,118,278.83/143,225.24
  6. Step 6: Final answer
    x = 102,440.87

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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.