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Finding the Fourth Proportional to 104,164.83, 156,250.13 and 64,835.55

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Solution

The fourth proportional to 104,164.83, 156,250.13 and 64,835.55 is: 97,255.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,164.83 : 156,250.13 = 64,835.55 : x
  2. Step 2: Convert to fraction form
    104,164.83/156,250.13 = 64,835.55/x
  3. Step 3: Cross multiply
    104,164.83x = 156,250.13 × 64,835.55
  4. Step 4: Simplify right side
    104,164.83x = 10,130,562,791.94
  5. Step 5: Solve for x
    x = 10,130,562,791.94/104,164.83
  6. Step 6: Final answer
    x = 97,255.12

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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.