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Finding the Fourth Proportional to 104,891.94, 157,361.10 and 38,332.02

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Solution

The fourth proportional to 104,891.94, 157,361.10 and 38,332.02 is: 57,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,891.94 : 157,361.10 = 38,332.02 : x
  2. Step 2: Convert to fraction form
    104,891.94/157,361.10 = 38,332.02/x
  3. Step 3: Cross multiply
    104,891.94x = 157,361.10 × 38,332.02
  4. Step 4: Simplify right side
    104,891.94x = 6,031,968,832.42
  5. Step 5: Solve for x
    x = 6,031,968,832.42/104,891.94
  6. Step 6: Final answer
    x = 57,506.50

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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.