Home / 219,541.82-302,968.02-118,939.82

Finding the Fourth Proportional to 219,541.82, 302,968.02 and 118,939.82

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Solution

The fourth proportional to 219,541.82, 302,968.02 and 118,939.82 is: 164,137.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,541.82 : 302,968.02 = 118,939.82 : x
  2. Step 2: Convert to fraction form
    219,541.82/302,968.02 = 118,939.82/x
  3. Step 3: Cross multiply
    219,541.82x = 302,968.02 × 118,939.82
  4. Step 4: Simplify right side
    219,541.82x = 36,034,961,764.56
  5. Step 5: Solve for x
    x = 36,034,961,764.56/219,541.82
  6. Step 6: Final answer
    x = 164,137.12

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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.