Home / 153,721.78-230,589.74-47,098.09

Finding the Fourth Proportional to 153,721.78, 230,589.74 and 47,098.09

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Solution

The fourth proportional to 153,721.78, 230,589.74 and 47,098.09 is: 70,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,721.78 : 230,589.74 = 47,098.09 : x
  2. Step 2: Convert to fraction form
    153,721.78/230,589.74 = 47,098.09/x
  3. Step 3: Cross multiply
    153,721.78x = 230,589.74 × 47,098.09
  4. Step 4: Simplify right side
    153,721.78x = 10,860,336,327.60
  5. Step 5: Solve for x
    x = 10,860,336,327.60/153,721.78
  6. Step 6: Final answer
    x = 70,649.30

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1.5x scale

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.