Home / 248,444.20-342,825.78-139,547.80

Finding the Fourth Proportional to 248,444.20, 342,825.78 and 139,547.80

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Solution

The fourth proportional to 248,444.20, 342,825.78 and 139,547.80 is: 192,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,444.20 : 342,825.78 = 139,547.80 : x
  2. Step 2: Convert to fraction form
    248,444.20/342,825.78 = 139,547.80/x
  3. Step 3: Cross multiply
    248,444.20x = 342,825.78 × 139,547.80
  4. Step 4: Simplify right side
    248,444.20x = 47,840,583,382.28
  5. Step 5: Solve for x
    x = 47,840,583,382.28/248,444.20
  6. Step 6: Final answer
    x = 192,560.68

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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.