Home / 122,976.47-184,485.70-56,422.28

Finding the Fourth Proportional to 122,976.47, 184,485.70 and 56,422.28

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Solution

The fourth proportional to 122,976.47, 184,485.70 and 56,422.28 is: 84,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,976.47 : 184,485.70 = 56,422.28 : x
  2. Step 2: Convert to fraction form
    122,976.47/184,485.70 = 56,422.28/x
  3. Step 3: Cross multiply
    122,976.47x = 184,485.70 × 56,422.28
  4. Step 4: Simplify right side
    122,976.47x = 10,409,103,821.40
  5. Step 5: Solve for x
    x = 10,409,103,821.40/122,976.47
  6. Step 6: Final answer
    x = 84,643.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.