Home / 248,031.72-342,288.18-134,855.28

Finding the Fourth Proportional to 248,031.72, 342,288.18 and 134,855.28

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Solution

The fourth proportional to 248,031.72, 342,288.18 and 134,855.28 is: 186,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,031.72 : 342,288.18 = 134,855.28 : x
  2. Step 2: Convert to fraction form
    248,031.72/342,288.18 = 134,855.28/x
  3. Step 3: Cross multiply
    248,031.72x = 342,288.18 × 134,855.28
  4. Step 4: Simplify right side
    248,031.72x = 46,159,368,354.59
  5. Step 5: Solve for x
    x = 46,159,368,354.59/248,031.72
  6. Step 6: Final answer
    x = 186,102.68

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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.