Home / 158,878.78-238,317.95-40,550.12

Finding the Fourth Proportional to 158,878.78, 238,317.95 and 40,550.12

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Solution

The fourth proportional to 158,878.78, 238,317.95 and 40,550.12 is: 60,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,878.78 : 238,317.95 = 40,550.12 : x
  2. Step 2: Convert to fraction form
    158,878.78/238,317.95 = 40,550.12/x
  3. Step 3: Cross multiply
    158,878.78x = 238,317.95 × 40,550.12
  4. Step 4: Simplify right side
    158,878.78x = 9,663,821,470.65
  5. Step 5: Solve for x
    x = 9,663,821,470.65/158,878.78
  6. Step 6: Final answer
    x = 60,825.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.