Home / 156,012.37-215,296.91-84,392.22

Finding the Fourth Proportional to 156,012.37, 215,296.91 and 84,392.22

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Solution

The fourth proportional to 156,012.37, 215,296.91 and 84,392.22 is: 116,461.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,012.37 : 215,296.91 = 84,392.22 : x
  2. Step 2: Convert to fraction form
    156,012.37/215,296.91 = 84,392.22/x
  3. Step 3: Cross multiply
    156,012.37x = 215,296.91 × 84,392.22
  4. Step 4: Simplify right side
    156,012.37x = 18,169,385,370.62
  5. Step 5: Solve for x
    x = 18,169,385,370.62/156,012.37
  6. Step 6: Final answer
    x = 116,461.18

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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.