Home / 223,331.42-308,072.57-137,230.58

Finding the Fourth Proportional to 223,331.42, 308,072.57 and 137,230.58

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Solution

The fourth proportional to 223,331.42, 308,072.57 and 137,230.58 is: 189,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,331.42 : 308,072.57 = 137,230.58 : x
  2. Step 2: Convert to fraction form
    223,331.42/308,072.57 = 137,230.58/x
  3. Step 3: Cross multiply
    223,331.42x = 308,072.57 × 137,230.58
  4. Step 4: Simplify right side
    223,331.42x = 42,276,977,547.22
  5. Step 5: Solve for x
    x = 42,276,977,547.22/223,331.42
  6. Step 6: Final answer
    x = 189,301.52

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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.