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Finding the Fourth Proportional to 122,367.95, 183,530.03 and 77,862.50

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Solution

The fourth proportional to 122,367.95, 183,530.03 and 77,862.50 is: 116,779.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,367.95 : 183,530.03 = 77,862.50 : x
  2. Step 2: Convert to fraction form
    122,367.95/183,530.03 = 77,862.50/x
  3. Step 3: Cross multiply
    122,367.95x = 183,530.03 × 77,862.50
  4. Step 4: Simplify right side
    122,367.95x = 14,290,106,960.88
  5. Step 5: Solve for x
    x = 14,290,106,960.88/122,367.95
  6. Step 6: Final answer
    x = 116,779.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.