Home / 109,742.00-151,420.73-66,743.91

Finding the Fourth Proportional to 109,742.00, 151,420.73 and 66,743.91

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Solution

The fourth proportional to 109,742.00, 151,420.73 and 66,743.91 is: 92,092.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,742.00 : 151,420.73 = 66,743.91 : x
  2. Step 2: Convert to fraction form
    109,742.00/151,420.73 = 66,743.91/x
  3. Step 3: Cross multiply
    109,742.00x = 151,420.73 × 66,743.91
  4. Step 4: Simplify right side
    109,742.00x = 10,106,411,241.53
  5. Step 5: Solve for x
    x = 10,106,411,241.53/109,742.00
  6. Step 6: Final answer
    x = 92,092.47

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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.