Home / 219,537.31-302,961.80-118,935.31

Finding the Fourth Proportional to 219,537.31, 302,961.80 and 118,935.31

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Solution

The fourth proportional to 219,537.31, 302,961.80 and 118,935.31 is: 164,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,537.31 : 302,961.80 = 118,935.31 : x
  2. Step 2: Convert to fraction form
    219,537.31/302,961.80 = 118,935.31/x
  3. Step 3: Cross multiply
    219,537.31x = 302,961.80 × 118,935.31
  4. Step 4: Simplify right side
    219,537.31x = 36,032,855,601.16
  5. Step 5: Solve for x
    x = 36,032,855,601.16/219,537.31
  6. Step 6: Final answer
    x = 164,130.90

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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.