Home / 156,650.70-235,105.65-72,540.30

Finding the Fourth Proportional to 156,650.70, 235,105.65 and 72,540.30

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Solution

The fourth proportional to 156,650.70, 235,105.65 and 72,540.30 is: 108,870.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,650.70 : 235,105.65 = 72,540.30 : x
  2. Step 2: Convert to fraction form
    156,650.70/235,105.65 = 72,540.30/x
  3. Step 3: Cross multiply
    156,650.70x = 235,105.65 × 72,540.30
  4. Step 4: Simplify right side
    156,650.70x = 17,054,634,382.70
  5. Step 5: Solve for x
    x = 17,054,634,382.70/156,650.70
  6. Step 6: Final answer
    x = 108,870.46

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1.5x scale

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.