Home / 153,234.52-211,465.58-84,331.91

Finding the Fourth Proportional to 153,234.52, 211,465.58 and 84,331.91

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Solution

The fourth proportional to 153,234.52, 211,465.58 and 84,331.91 is: 116,379.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,234.52 : 211,465.58 = 84,331.91 : x
  2. Step 2: Convert to fraction form
    153,234.52/211,465.58 = 84,331.91/x
  3. Step 3: Cross multiply
    153,234.52x = 211,465.58 × 84,331.91
  4. Step 4: Simplify right side
    153,234.52x = 17,833,296,367.66
  5. Step 5: Solve for x
    x = 17,833,296,367.66/153,234.52
  6. Step 6: Final answer
    x = 116,379.11

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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.