Home / 248,070.90-342,309.33-140,619.54

Finding the Fourth Proportional to 248,070.90, 342,309.33 and 140,619.54

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Solution

The fourth proportional to 248,070.90, 342,309.33 and 140,619.54 is: 194,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,070.90 : 342,309.33 = 140,619.54 : x
  2. Step 2: Convert to fraction form
    248,070.90/342,309.33 = 140,619.54/x
  3. Step 3: Cross multiply
    248,070.90x = 342,309.33 × 140,619.54
  4. Step 4: Simplify right side
    248,070.90x = 48,135,380,522.31
  5. Step 5: Solve for x
    x = 48,135,380,522.31/248,070.90
  6. Step 6: Final answer
    x = 194,038.80

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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.