Home / 122,030.94-183,100.26-42,081.10

Finding the Fourth Proportional to 122,030.94, 183,100.26 and 42,081.10

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Solution

The fourth proportional to 122,030.94, 183,100.26 and 42,081.10 is: 63,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,030.94 : 183,100.26 = 42,081.10 : x
  2. Step 2: Convert to fraction form
    122,030.94/183,100.26 = 42,081.10/x
  3. Step 3: Cross multiply
    122,030.94x = 183,100.26 × 42,081.10
  4. Step 4: Simplify right side
    122,030.94x = 7,705,060,351.09
  5. Step 5: Solve for x
    x = 7,705,060,351.09/122,030.94
  6. Step 6: Final answer
    x = 63,140.22

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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.