Home / 161,803.70-242,514.92-72,953.18

Finding the Fourth Proportional to 161,803.70, 242,514.92 and 72,953.18

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Solution

The fourth proportional to 161,803.70, 242,514.92 and 72,953.18 is: 109,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,803.70 : 242,514.92 = 72,953.18 : x
  2. Step 2: Convert to fraction form
    161,803.70/242,514.92 = 72,953.18/x
  3. Step 3: Cross multiply
    161,803.70x = 242,514.92 × 72,953.18
  4. Step 4: Simplify right side
    161,803.70x = 17,692,234,611.45
  5. Step 5: Solve for x
    x = 17,692,234,611.45/161,803.70
  6. Step 6: Final answer
    x = 109,343.82

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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.