Home / 248,178.16-342,484.32-135,001.36

Finding the Fourth Proportional to 248,178.16, 342,484.32 and 135,001.36

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Solution

The fourth proportional to 248,178.16, 342,484.32 and 135,001.36 is: 186,301.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,178.16 : 342,484.32 = 135,001.36 : x
  2. Step 2: Convert to fraction form
    248,178.16/342,484.32 = 135,001.36/x
  3. Step 3: Cross multiply
    248,178.16x = 342,484.32 × 135,001.36
  4. Step 4: Simplify right side
    248,178.16x = 46,235,848,978.68
  5. Step 5: Solve for x
    x = 46,235,848,978.68/248,178.16
  6. Step 6: Final answer
    x = 186,301.04

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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.