Home / 248,032.72-342,284.70-134,855.20

Finding the Fourth Proportional to 248,032.72, 342,284.70 and 134,855.20

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Solution

The fourth proportional to 248,032.72, 342,284.70 and 134,855.20 is: 186,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,032.72 : 342,284.70 = 134,855.20 : x
  2. Step 2: Convert to fraction form
    248,032.72/342,284.70 = 134,855.20/x
  3. Step 3: Cross multiply
    248,032.72x = 342,284.70 × 134,855.20
  4. Step 4: Simplify right side
    248,032.72x = 46,158,871,675.44
  5. Step 5: Solve for x
    x = 46,158,871,675.44/248,032.72
  6. Step 6: Final answer
    x = 186,099.93

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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.