Home / 156,522.73-215,995.53-84,900.37

Finding the Fourth Proportional to 156,522.73, 215,995.53 and 84,900.37

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Solution

The fourth proportional to 156,522.73, 215,995.53 and 84,900.37 is: 117,159.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,522.73 : 215,995.53 = 84,900.37 : x
  2. Step 2: Convert to fraction form
    156,522.73/215,995.53 = 84,900.37/x
  3. Step 3: Cross multiply
    156,522.73x = 215,995.53 × 84,900.37
  4. Step 4: Simplify right side
    156,522.73x = 18,338,100,415.35
  5. Step 5: Solve for x
    x = 18,338,100,415.35/156,522.73
  6. Step 6: Final answer
    x = 117,159.34

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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.