Home / 246,886.45-340,724.28-139,476.20

Finding the Fourth Proportional to 246,886.45, 340,724.28 and 139,476.20

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Solution

The fourth proportional to 246,886.45, 340,724.28 and 139,476.20 is: 192,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,886.45 : 340,724.28 = 139,476.20 : x
  2. Step 2: Convert to fraction form
    246,886.45/340,724.28 = 139,476.20/x
  3. Step 3: Cross multiply
    246,886.45x = 340,724.28 × 139,476.20
  4. Step 4: Simplify right side
    246,886.45x = 47,522,927,822.14
  5. Step 5: Solve for x
    x = 47,522,927,822.14/246,886.45
  6. Step 6: Final answer
    x = 192,489.01

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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.