Home / 122,974.47-184,482.70-56,420.28

Finding the Fourth Proportional to 122,974.47, 184,482.70 and 56,420.28

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Solution

The fourth proportional to 122,974.47, 184,482.70 and 56,420.28 is: 84,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,974.47 : 184,482.70 = 56,420.28 : x
  2. Step 2: Convert to fraction form
    122,974.47/184,482.70 = 56,420.28/x
  3. Step 3: Cross multiply
    122,974.47x = 184,482.70 × 56,420.28
  4. Step 4: Simplify right side
    122,974.47x = 10,408,565,448.11
  5. Step 5: Solve for x
    x = 10,408,565,448.11/122,974.47
  6. Step 6: Final answer
    x = 84,640.05

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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.