Home / 153,491.96-211,819.23-88,973.64

Finding the Fourth Proportional to 153,491.96, 211,819.23 and 88,973.64

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Solution

The fourth proportional to 153,491.96, 211,819.23 and 88,973.64 is: 122,783.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,491.96 : 211,819.23 = 88,973.64 : x
  2. Step 2: Convert to fraction form
    153,491.96/211,819.23 = 88,973.64/x
  3. Step 3: Cross multiply
    153,491.96x = 211,819.23 × 88,973.64
  4. Step 4: Simplify right side
    153,491.96x = 18,846,327,915.10
  5. Step 5: Solve for x
    x = 18,846,327,915.10/153,491.96
  6. Step 6: Final answer
    x = 122,783.81

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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.