Home / 248,349.03-342,721.61-135,172.59

Finding the Fourth Proportional to 248,349.03, 342,721.61 and 135,172.59

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Solution

The fourth proportional to 248,349.03, 342,721.61 and 135,172.59 is: 186,538.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,349.03 : 342,721.61 = 135,172.59 : x
  2. Step 2: Convert to fraction form
    248,349.03/342,721.61 = 135,172.59/x
  3. Step 3: Cross multiply
    248,349.03x = 342,721.61 × 135,172.59
  4. Step 4: Simplify right side
    248,349.03x = 46,326,566,996.81
  5. Step 5: Solve for x
    x = 46,326,566,996.81/248,349.03
  6. Step 6: Final answer
    x = 186,538.14

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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.