Home / 156,327.69-215,806.58-104,733.62

Finding the Fourth Proportional to 156,327.69, 215,806.58 and 104,733.62

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Solution

The fourth proportional to 156,327.69, 215,806.58 and 104,733.62 is: 144,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,327.69 : 215,806.58 = 104,733.62 : x
  2. Step 2: Convert to fraction form
    156,327.69/215,806.58 = 104,733.62/x
  3. Step 3: Cross multiply
    156,327.69x = 215,806.58 × 104,733.62
  4. Step 4: Simplify right side
    156,327.69x = 22,602,202,740.52
  5. Step 5: Solve for x
    x = 22,602,202,740.52/156,327.69
  6. Step 6: Final answer
    x = 144,582.21

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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.