Home / 156,631.57-234,945.31-38,303.94

Finding the Fourth Proportional to 156,631.57, 234,945.31 and 38,303.94

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Solution

The fourth proportional to 156,631.57, 234,945.31 and 38,303.94 is: 57,455.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,631.57 : 234,945.31 = 38,303.94 : x
  2. Step 2: Convert to fraction form
    156,631.57/234,945.31 = 38,303.94/x
  3. Step 3: Cross multiply
    156,631.57x = 234,945.31 × 38,303.94
  4. Step 4: Simplify right side
    156,631.57x = 8,999,330,593.06
  5. Step 5: Solve for x
    x = 8,999,330,593.06/156,631.57
  6. Step 6: Final answer
    x = 57,455.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.