Home / 122,216.84-183,326.07-47,345.30

Finding the Fourth Proportional to 122,216.84, 183,326.07 and 47,345.30

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Solution

The fourth proportional to 122,216.84, 183,326.07 and 47,345.30 is: 71,018.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,216.84 : 183,326.07 = 47,345.30 : x
  2. Step 2: Convert to fraction form
    122,216.84/183,326.07 = 47,345.30/x
  3. Step 3: Cross multiply
    122,216.84x = 183,326.07 × 47,345.30
  4. Step 4: Simplify right side
    122,216.84x = 8,679,627,781.97
  5. Step 5: Solve for x
    x = 8,679,627,781.97/122,216.84
  6. Step 6: Final answer
    x = 71,018.26

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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.