Home / 104,758.36-157,012.64-72,996.42

Finding the Fourth Proportional to 104,758.36, 157,012.64 and 72,996.42

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Solution

The fourth proportional to 104,758.36, 157,012.64 and 72,996.42 is: 109,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,758.36 : 157,012.64 = 72,996.42 : x
  2. Step 2: Convert to fraction form
    104,758.36/157,012.64 = 72,996.42/x
  3. Step 3: Cross multiply
    104,758.36x = 157,012.64 × 72,996.42
  4. Step 4: Simplify right side
    104,758.36x = 11,461,360,614.75
  5. Step 5: Solve for x
    x = 11,461,360,614.75/104,758.36
  6. Step 6: Final answer
    x = 109,407.60

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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.