Home / 156,245.04-215,618.06-84,625.06

Finding the Fourth Proportional to 156,245.04, 215,618.06 and 84,625.06

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Solution

The fourth proportional to 156,245.04, 215,618.06 and 84,625.06 is: 116,782.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,245.04 : 215,618.06 = 84,625.06 : x
  2. Step 2: Convert to fraction form
    156,245.04/215,618.06 = 84,625.06/x
  3. Step 3: Cross multiply
    156,245.04x = 215,618.06 × 84,625.06
  4. Step 4: Simplify right side
    156,245.04x = 18,246,691,264.58
  5. Step 5: Solve for x
    x = 18,246,691,264.58/156,245.04
  6. Step 6: Final answer
    x = 116,782.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.