Home / 156,272.10-215,656.53-84,652.12

Finding the Fourth Proportional to 156,272.10, 215,656.53 and 84,652.12

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Solution

The fourth proportional to 156,272.10, 215,656.53 and 84,652.12 is: 116,820.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,272.10 : 215,656.53 = 84,652.12 : x
  2. Step 2: Convert to fraction form
    156,272.10/215,656.53 = 84,652.12/x
  3. Step 3: Cross multiply
    156,272.10x = 215,656.53 × 84,652.12
  4. Step 4: Simplify right side
    156,272.10x = 18,255,782,456.34
  5. Step 5: Solve for x
    x = 18,255,782,456.34/156,272.10
  6. Step 6: Final answer
    x = 116,820.48

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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.