Home / 156,024.72-215,313.24-84,404.52

Finding the Fourth Proportional to 156,024.72, 215,313.24 and 84,404.52

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Solution

The fourth proportional to 156,024.72, 215,313.24 and 84,404.52 is: 116,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,024.72 : 215,313.24 = 84,404.52 : x
  2. Step 2: Convert to fraction form
    156,024.72/215,313.24 = 84,404.52/x
  3. Step 3: Cross multiply
    156,024.72x = 215,313.24 × 84,404.52
  4. Step 4: Simplify right side
    156,024.72x = 18,173,410,671.84
  5. Step 5: Solve for x
    x = 18,173,410,671.84/156,024.72
  6. Step 6: Final answer
    x = 116,477.77

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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.