Home / 223,531.74-308,467.65-122,929.74

Finding the Fourth Proportional to 223,531.74, 308,467.65 and 122,929.74

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Solution

The fourth proportional to 223,531.74, 308,467.65 and 122,929.74 is: 169,639.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,531.74 : 308,467.65 = 122,929.74 : x
  2. Step 2: Convert to fraction form
    223,531.74/308,467.65 = 122,929.74/x
  3. Step 3: Cross multiply
    223,531.74x = 308,467.65 × 122,929.74
  4. Step 4: Simplify right side
    223,531.74x = 37,919,848,012.91
  5. Step 5: Solve for x
    x = 37,919,848,012.91/223,531.74
  6. Step 6: Final answer
    x = 169,639.66

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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.