Home / 156,816.64-235,197.20-71,407.91

Finding the Fourth Proportional to 156,816.64, 235,197.20 and 71,407.91

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Solution

The fourth proportional to 156,816.64, 235,197.20 and 71,407.91 is: 107,099.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,816.64 : 235,197.20 = 71,407.91 : x
  2. Step 2: Convert to fraction form
    156,816.64/235,197.20 = 71,407.91/x
  3. Step 3: Cross multiply
    156,816.64x = 235,197.20 × 71,407.91
  4. Step 4: Simplify right side
    156,816.64x = 16,794,941,256.36
  5. Step 5: Solve for x
    x = 16,794,941,256.36/156,816.64
  6. Step 6: Final answer
    x = 107,099.23

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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.