Home / 246,837.64-340,637-139,408.96

Finding the Fourth Proportional to 246,837.64, 340,637 and 139,408.96

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Solution

The fourth proportional to 246,837.64, 340,637 and 139,408.96 is: 192,384.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,837.64 : 340,637 = 139,408.96 : x
  2. Step 2: Convert to fraction form
    246,837.64/340,637 = 139,408.96/x
  3. Step 3: Cross multiply
    246,837.64x = 340,637 × 139,408.96
  4. Step 4: Simplify right side
    246,837.64x = 47,487,849,907.52
  5. Step 5: Solve for x
    x = 47,487,849,907.52/246,837.64
  6. Step 6: Final answer
    x = 192,384.96

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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.