Home / 248,014.06-342,244.06-139,112.40

Finding the Fourth Proportional to 248,014.06, 342,244.06 and 139,112.40

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Solution

The fourth proportional to 248,014.06, 342,244.06 and 139,112.40 is: 191,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,014.06 : 342,244.06 = 139,112.40 : x
  2. Step 2: Convert to fraction form
    248,014.06/342,244.06 = 139,112.40/x
  3. Step 3: Cross multiply
    248,014.06x = 342,244.06 × 139,112.40
  4. Step 4: Simplify right side
    248,014.06x = 47,610,392,572.34
  5. Step 5: Solve for x
    x = 47,610,392,572.34/248,014.06
  6. Step 6: Final answer
    x = 191,966.51

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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.