Home / 239,315.08-330,256.98-131,888.94

Finding the Fourth Proportional to 239,315.08, 330,256.98 and 131,888.94

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Solution

The fourth proportional to 239,315.08, 330,256.98 and 131,888.94 is: 182,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,315.08 : 330,256.98 = 131,888.94 : x
  2. Step 2: Convert to fraction form
    239,315.08/330,256.98 = 131,888.94/x
  3. Step 3: Cross multiply
    239,315.08x = 330,256.98 × 131,888.94
  4. Step 4: Simplify right side
    239,315.08x = 43,557,243,019.80
  5. Step 5: Solve for x
    x = 43,557,243,019.80/239,315.08
  6. Step 6: Final answer
    x = 182,007.93

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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.