Home / 248,048.45-342,354.39-140,618.90

Finding the Fourth Proportional to 248,048.45, 342,354.39 and 140,618.90

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Solution

The fourth proportional to 248,048.45, 342,354.39 and 140,618.90 is: 194,081.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,048.45 : 342,354.39 = 140,618.90 : x
  2. Step 2: Convert to fraction form
    248,048.45/342,354.39 = 140,618.90/x
  3. Step 3: Cross multiply
    248,048.45x = 342,354.39 × 140,618.90
  4. Step 4: Simplify right side
    248,048.45x = 48,141,496,020.20
  5. Step 5: Solve for x
    x = 48,141,496,020.20/248,048.45
  6. Step 6: Final answer
    x = 194,081.02

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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.