Home / 100,860.48-151,307.14-29,790.30

Finding the Fourth Proportional to 100,860.48, 151,307.14 and 29,790.30

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Solution

The fourth proportional to 100,860.48, 151,307.14 and 29,790.30 is: 44,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,860.48 : 151,307.14 = 29,790.30 : x
  2. Step 2: Convert to fraction form
    100,860.48/151,307.14 = 29,790.30/x
  3. Step 3: Cross multiply
    100,860.48x = 151,307.14 × 29,790.30
  4. Step 4: Simplify right side
    100,860.48x = 4,507,485,092.74
  5. Step 5: Solve for x
    x = 4,507,485,092.74/100,860.48
  6. Step 6: Final answer
    x = 44,690.30

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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.