Home / 153,094.20-211,373.10-136,911.30

Finding the Fourth Proportional to 153,094.20, 211,373.10 and 136,911.30

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Solution

The fourth proportional to 153,094.20, 211,373.10 and 136,911.30 is: 189,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,094.20 : 211,373.10 = 136,911.30 : x
  2. Step 2: Convert to fraction form
    153,094.20/211,373.10 = 136,911.30/x
  3. Step 3: Cross multiply
    153,094.20x = 211,373.10 × 136,911.30
  4. Step 4: Simplify right side
    153,094.20x = 28,939,365,906.03
  5. Step 5: Solve for x
    x = 28,939,365,906.03/153,094.20
  6. Step 6: Final answer
    x = 189,029.80

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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.