Home / 219,238.65-302,437.89-133,174.80

Finding the Fourth Proportional to 219,238.65, 302,437.89 and 133,174.80

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Solution

The fourth proportional to 219,238.65, 302,437.89 and 133,174.80 is: 183,713.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,238.65 : 302,437.89 = 133,174.80 : x
  2. Step 2: Convert to fraction form
    219,238.65/302,437.89 = 133,174.80/x
  3. Step 3: Cross multiply
    219,238.65x = 302,437.89 × 133,174.80
  4. Step 4: Simplify right side
    219,238.65x = 40,277,105,513.17
  5. Step 5: Solve for x
    x = 40,277,105,513.17/219,238.65
  6. Step 6: Final answer
    x = 183,713.53

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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.