Home / 156,095.80-215,412.22-84,475.86

Finding the Fourth Proportional to 156,095.80, 215,412.22 and 84,475.86

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Solution

The fourth proportional to 156,095.80, 215,412.22 and 84,475.86 is: 116,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,095.80 : 215,412.22 = 84,475.86 : x
  2. Step 2: Convert to fraction form
    156,095.80/215,412.22 = 84,475.86/x
  3. Step 3: Cross multiply
    156,095.80x = 215,412.22 × 84,475.86
  4. Step 4: Simplify right side
    156,095.80x = 18,197,132,539.01
  5. Step 5: Solve for x
    x = 18,197,132,539.01/156,095.80
  6. Step 6: Final answer
    x = 116,576.70

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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.