Home / 116,384.85-160,606.60-71,138.86

Finding the Fourth Proportional to 116,384.85, 160,606.60 and 71,138.86

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Solution

The fourth proportional to 116,384.85, 160,606.60 and 71,138.86 is: 98,168.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,384.85 : 160,606.60 = 71,138.86 : x
  2. Step 2: Convert to fraction form
    116,384.85/160,606.60 = 71,138.86/x
  3. Step 3: Cross multiply
    116,384.85x = 160,606.60 × 71,138.86
  4. Step 4: Simplify right side
    116,384.85x = 11,425,369,853.11
  5. Step 5: Solve for x
    x = 11,425,369,853.11/116,384.85
  6. Step 6: Final answer
    x = 98,168.88

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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.