Home / 248,006.48-342,258.12-137,628.24

Finding the Fourth Proportional to 248,006.48, 342,258.12 and 137,628.24

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Solution

The fourth proportional to 248,006.48, 342,258.12 and 137,628.24 is: 189,932.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,006.48 : 342,258.12 = 137,628.24 : x
  2. Step 2: Convert to fraction form
    248,006.48/342,258.12 = 137,628.24/x
  3. Step 3: Cross multiply
    248,006.48x = 342,258.12 × 137,628.24
  4. Step 4: Simplify right side
    248,006.48x = 47,104,382,681.31
  5. Step 5: Solve for x
    x = 47,104,382,681.31/248,006.48
  6. Step 6: Final answer
    x = 189,932.06

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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.