Home / 250,233.72-345,322.62-137,058.36

Finding the Fourth Proportional to 250,233.72, 345,322.62 and 137,058.36

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Solution

The fourth proportional to 250,233.72, 345,322.62 and 137,058.36 is: 189,140.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,233.72 : 345,322.62 = 137,058.36 : x
  2. Step 2: Convert to fraction form
    250,233.72/345,322.62 = 137,058.36/x
  3. Step 3: Cross multiply
    250,233.72x = 345,322.62 × 137,058.36
  4. Step 4: Simplify right side
    250,233.72x = 47,329,351,968.10
  5. Step 5: Solve for x
    x = 47,329,351,968.10/250,233.72
  6. Step 6: Final answer
    x = 189,140.58

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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.