Home / 156,208.86-215,567.10-84,587.82

Finding the Fourth Proportional to 156,208.86, 215,567.10 and 84,587.82

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Solution

The fourth proportional to 156,208.86, 215,567.10 and 84,587.82 is: 116,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,208.86 : 215,567.10 = 84,587.82 : x
  2. Step 2: Convert to fraction form
    156,208.86/215,567.10 = 84,587.82/x
  3. Step 3: Cross multiply
    156,208.86x = 215,567.10 × 84,587.82
  4. Step 4: Simplify right side
    156,208.86x = 18,234,351,052.72
  5. Step 5: Solve for x
    x = 18,234,351,052.72/156,208.86
  6. Step 6: Final answer
    x = 116,730.58

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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.