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Finding the Fourth Proportional to 125,280.24, 172,893.81 and 74,323.14

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Solution

The fourth proportional to 125,280.24, 172,893.81 and 74,323.14 is: 102,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,280.24 : 172,893.81 = 74,323.14 : x
  2. Step 2: Convert to fraction form
    125,280.24/172,893.81 = 74,323.14/x
  3. Step 3: Cross multiply
    125,280.24x = 172,893.81 × 74,323.14
  4. Step 4: Simplify right side
    125,280.24x = 12,850,010,845.76
  5. Step 5: Solve for x
    x = 12,850,010,845.76/125,280.24
  6. Step 6: Final answer
    x = 102,570.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.