Home / 245,853.16-339,278.52-138,424.98

Finding the Fourth Proportional to 245,853.16, 339,278.52 and 138,424.98

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Solution

The fourth proportional to 245,853.16, 339,278.52 and 138,424.98 is: 191,027.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,853.16 : 339,278.52 = 138,424.98 : x
  2. Step 2: Convert to fraction form
    245,853.16/339,278.52 = 138,424.98/x
  3. Step 3: Cross multiply
    245,853.16x = 339,278.52 × 138,424.98
  4. Step 4: Simplify right side
    245,853.16x = 46,964,624,136.82
  5. Step 5: Solve for x
    x = 46,964,624,136.82/245,853.16
  6. Step 6: Final answer
    x = 191,027.13

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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.