Home / 122,517.40-183,776.10-60,309.40

Finding the Fourth Proportional to 122,517.40, 183,776.10 and 60,309.40

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Solution

The fourth proportional to 122,517.40, 183,776.10 and 60,309.40 is: 90,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,517.40 : 183,776.10 = 60,309.40 : x
  2. Step 2: Convert to fraction form
    122,517.40/183,776.10 = 60,309.40/x
  3. Step 3: Cross multiply
    122,517.40x = 183,776.10 × 60,309.40
  4. Step 4: Simplify right side
    122,517.40x = 11,083,426,325.34
  5. Step 5: Solve for x
    x = 11,083,426,325.34/122,517.40
  6. Step 6: Final answer
    x = 90,464.10

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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.