Home / 156,452.40-215,903.88-84,832.20

Finding the Fourth Proportional to 156,452.40, 215,903.88 and 84,832.20

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Solution

The fourth proportional to 156,452.40, 215,903.88 and 84,832.20 is: 117,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,452.40 : 215,903.88 = 84,832.20 : x
  2. Step 2: Convert to fraction form
    156,452.40/215,903.88 = 84,832.20/x
  3. Step 3: Cross multiply
    156,452.40x = 215,903.88 × 84,832.20
  4. Step 4: Simplify right side
    156,452.40x = 18,315,601,128.94
  5. Step 5: Solve for x
    x = 18,315,601,128.94/156,452.40
  6. Step 6: Final answer
    x = 117,068.20

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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.