Home / 248,144.94-342,443.88-140,712.72

Finding the Fourth Proportional to 248,144.94, 342,443.88 and 140,712.72

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Solution

The fourth proportional to 248,144.94, 342,443.88 and 140,712.72 is: 194,185.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,144.94 : 342,443.88 = 140,712.72 : x
  2. Step 2: Convert to fraction form
    248,144.94/342,443.88 = 140,712.72/x
  3. Step 3: Cross multiply
    248,144.94x = 342,443.88 × 140,712.72
  4. Step 4: Simplify right side
    248,144.94x = 48,186,209,802.15
  5. Step 5: Solve for x
    x = 48,186,209,802.15/248,144.94
  6. Step 6: Final answer
    x = 194,185.74

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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.