Home / 248,015.06-342,245.44-139,113.40

Finding the Fourth Proportional to 248,015.06, 342,245.44 and 139,113.40

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Solution

The fourth proportional to 248,015.06, 342,245.44 and 139,113.40 is: 191,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,015.06 : 342,245.44 = 139,113.40 : x
  2. Step 2: Convert to fraction form
    248,015.06/342,245.44 = 139,113.40/x
  3. Step 3: Cross multiply
    248,015.06x = 342,245.44 × 139,113.40
  4. Step 4: Simplify right side
    248,015.06x = 47,610,926,792.90
  5. Step 5: Solve for x
    x = 47,610,926,792.90/248,015.06
  6. Step 6: Final answer
    x = 191,967.89

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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.