Home / 122,947.40-184,421.10-107,395.40

Finding the Fourth Proportional to 122,947.40, 184,421.10 and 107,395.40

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Solution

The fourth proportional to 122,947.40, 184,421.10 and 107,395.40 is: 161,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,947.40 : 184,421.10 = 107,395.40 : x
  2. Step 2: Convert to fraction form
    122,947.40/184,421.10 = 107,395.40/x
  3. Step 3: Cross multiply
    122,947.40x = 184,421.10 × 107,395.40
  4. Step 4: Simplify right side
    122,947.40x = 19,805,977,802.94
  5. Step 5: Solve for x
    x = 19,805,977,802.94/122,947.40
  6. Step 6: Final answer
    x = 161,093.10

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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.