Home / 156,173.55-234,191.07-71,913.30

Finding the Fourth Proportional to 156,173.55, 234,191.07 and 71,913.30

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Solution

The fourth proportional to 156,173.55, 234,191.07 and 71,913.30 is: 107,838.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,173.55 : 234,191.07 = 71,913.30 : x
  2. Step 2: Convert to fraction form
    156,173.55/234,191.07 = 71,913.30/x
  3. Step 3: Cross multiply
    156,173.55x = 234,191.07 × 71,913.30
  4. Step 4: Simplify right side
    156,173.55x = 16,841,452,674.23
  5. Step 5: Solve for x
    x = 16,841,452,674.23/156,173.55
  6. Step 6: Final answer
    x = 107,838.06

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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.