Home / 156,389.19-234,957.68-100,339.39

Finding the Fourth Proportional to 156,389.19, 234,957.68 and 100,339.39

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Solution

The fourth proportional to 156,389.19, 234,957.68 and 100,339.39 is: 150,748.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,389.19 : 234,957.68 = 100,339.39 : x
  2. Step 2: Convert to fraction form
    156,389.19/234,957.68 = 100,339.39/x
  3. Step 3: Cross multiply
    156,389.19x = 234,957.68 × 100,339.39
  4. Step 4: Simplify right side
    156,389.19x = 23,575,510,287.02
  5. Step 5: Solve for x
    x = 23,575,510,287.02/156,389.19
  6. Step 6: Final answer
    x = 150,748.98

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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.