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Finding the Fourth Proportional to 152,806.34, 229,256.44 and 72,946.22

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Solution

The fourth proportional to 152,806.34, 229,256.44 and 72,946.22 is: 109,441.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,806.34 : 229,256.44 = 72,946.22 : x
  2. Step 2: Convert to fraction form
    152,806.34/229,256.44 = 72,946.22/x
  3. Step 3: Cross multiply
    152,806.34x = 229,256.44 × 72,946.22
  4. Step 4: Simplify right side
    152,806.34x = 16,723,390,708.66
  5. Step 5: Solve for x
    x = 16,723,390,708.66/152,806.34
  6. Step 6: Final answer
    x = 109,441.73

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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.