Home / 156,370.37-215,791.02-84,750.35

Finding the Fourth Proportional to 156,370.37, 215,791.02 and 84,750.35

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Solution

The fourth proportional to 156,370.37, 215,791.02 and 84,750.35 is: 116,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,370.37 : 215,791.02 = 84,750.35 : x
  2. Step 2: Convert to fraction form
    156,370.37/215,791.02 = 84,750.35/x
  3. Step 3: Cross multiply
    156,370.37x = 215,791.02 × 84,750.35
  4. Step 4: Simplify right side
    156,370.37x = 18,288,363,392.90
  5. Step 5: Solve for x
    x = 18,288,363,392.90/156,370.37
  6. Step 6: Final answer
    x = 116,955.43

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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.