Home / 122,427.76-183,643.26-69,774.52

Finding the Fourth Proportional to 122,427.76, 183,643.26 and 69,774.52

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Solution

The fourth proportional to 122,427.76, 183,643.26 and 69,774.52 is: 104,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,427.76 : 183,643.26 = 69,774.52 : x
  2. Step 2: Convert to fraction form
    122,427.76/183,643.26 = 69,774.52/x
  3. Step 3: Cross multiply
    122,427.76x = 183,643.26 × 69,774.52
  4. Step 4: Simplify right side
    122,427.76x = 12,813,620,317.74
  5. Step 5: Solve for x
    x = 12,813,620,317.74/122,427.76
  6. Step 6: Final answer
    x = 104,662.70

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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.