Home / 248,555.78-342,889.71-168,011.42

Finding the Fourth Proportional to 248,555.78, 342,889.71 and 168,011.42

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Solution

The fourth proportional to 248,555.78, 342,889.71 and 168,011.42 is: 231,776.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,555.78 : 342,889.71 = 168,011.42 : x
  2. Step 2: Convert to fraction form
    248,555.78/342,889.71 = 168,011.42/x
  3. Step 3: Cross multiply
    248,555.78x = 342,889.71 × 168,011.42
  4. Step 4: Simplify right side
    248,555.78x = 57,609,387,080.49
  5. Step 5: Solve for x
    x = 57,609,387,080.49/248,555.78
  6. Step 6: Final answer
    x = 231,776.49

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1.5x scale

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.