Home / 99,452.58-149,192.63-31,986.53

Finding the Fourth Proportional to 99,452.58, 149,192.63 and 31,986.53

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Solution

The fourth proportional to 99,452.58, 149,192.63 and 31,986.53 is: 47,984.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,452.58 : 149,192.63 = 31,986.53 : x
  2. Step 2: Convert to fraction form
    99,452.58/149,192.63 = 31,986.53/x
  3. Step 3: Cross multiply
    99,452.58x = 149,192.63 × 31,986.53
  4. Step 4: Simplify right side
    99,452.58x = 4,772,154,218.84
  5. Step 5: Solve for x
    x = 4,772,154,218.84/99,452.58
  6. Step 6: Final answer
    x = 47,984.22

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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.