Home / 155,524-214,642.02-87,566.44

Finding the Fourth Proportional to 155,524, 214,642.02 and 87,566.44

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Solution

The fourth proportional to 155,524, 214,642.02 and 87,566.44 is: 120,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,524 : 214,642.02 = 87,566.44 : x
  2. Step 2: Convert to fraction form
    155,524/214,642.02 = 87,566.44/x
  3. Step 3: Cross multiply
    155,524x = 214,642.02 × 87,566.44
  4. Step 4: Simplify right side
    155,524x = 18,795,437,565.81
  5. Step 5: Solve for x
    x = 18,795,437,565.81/155,524
  6. Step 6: Final answer
    x = 120,852.33

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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.