Home / 248,365.38-342,734.71-140,929.01

Finding the Fourth Proportional to 248,365.38, 342,734.71 and 140,929.01

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Solution

The fourth proportional to 248,365.38, 342,734.71 and 140,929.01 is: 194,476.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,365.38 : 342,734.71 = 140,929.01 : x
  2. Step 2: Convert to fraction form
    248,365.38/342,734.71 = 140,929.01/x
  3. Step 3: Cross multiply
    248,365.38x = 342,734.71 × 140,929.01
  4. Step 4: Simplify right side
    248,365.38x = 48,301,260,954.62
  5. Step 5: Solve for x
    x = 48,301,260,954.62/248,365.38
  6. Step 6: Final answer
    x = 194,476.63

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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.