Home / 97,137.18-145,716.18-30,579.30

Finding the Fourth Proportional to 97,137.18, 145,716.18 and 30,579.30

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Solution

The fourth proportional to 97,137.18, 145,716.18 and 30,579.30 is: 45,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,137.18 : 145,716.18 = 30,579.30 : x
  2. Step 2: Convert to fraction form
    97,137.18/145,716.18 = 30,579.30/x
  3. Step 3: Cross multiply
    97,137.18x = 145,716.18 × 30,579.30
  4. Step 4: Simplify right side
    97,137.18x = 4,455,898,783.07
  5. Step 5: Solve for x
    x = 4,455,898,783.07/97,137.18
  6. Step 6: Final answer
    x = 45,872.23

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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.