Home / 239,314.08-330,254.73-137,331.42

Finding the Fourth Proportional to 239,314.08, 330,254.73 and 137,331.42

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Solution

The fourth proportional to 239,314.08, 330,254.73 and 137,331.42 is: 189,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,314.08 : 330,254.73 = 137,331.42 : x
  2. Step 2: Convert to fraction form
    239,314.08/330,254.73 = 137,331.42/x
  3. Step 3: Cross multiply
    239,314.08x = 330,254.73 × 137,331.42
  4. Step 4: Simplify right side
    239,314.08x = 45,354,351,032.62
  5. Step 5: Solve for x
    x = 45,354,351,032.62/239,314.08
  6. Step 6: Final answer
    x = 189,518.11

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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.