Home / 153,094.19-229,149.94-81,838.64

Finding the Fourth Proportional to 153,094.19, 229,149.94 and 81,838.64

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Solution

The fourth proportional to 153,094.19, 229,149.94 and 81,838.64 is: 122,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,094.19 : 229,149.94 = 81,838.64 : x
  2. Step 2: Convert to fraction form
    153,094.19/229,149.94 = 81,838.64/x
  3. Step 3: Cross multiply
    153,094.19x = 229,149.94 × 81,838.64
  4. Step 4: Simplify right side
    153,094.19x = 18,753,319,445.68
  5. Step 5: Solve for x
    x = 18,753,319,445.68/153,094.19
  6. Step 6: Final answer
    x = 122,495.30

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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.