Home / 246,478.56-340,143.72-139,048.26

Finding the Fourth Proportional to 246,478.56, 340,143.72 and 139,048.26

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Solution

The fourth proportional to 246,478.56, 340,143.72 and 139,048.26 is: 191,888.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,478.56 : 340,143.72 = 139,048.26 : x
  2. Step 2: Convert to fraction form
    246,478.56/340,143.72 = 139,048.26/x
  3. Step 3: Cross multiply
    246,478.56x = 340,143.72 × 139,048.26
  4. Step 4: Simplify right side
    246,478.56x = 47,296,392,415.93
  5. Step 5: Solve for x
    x = 47,296,392,415.93/246,478.56
  6. Step 6: Final answer
    x = 191,888.46

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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.