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Finding the Fourth Proportional to 183,106.90, 274,551.27 and 56,709.70

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Solution

The fourth proportional to 183,106.90, 274,551.27 and 56,709.70 is: 85,030.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,106.90 : 274,551.27 = 56,709.70 : x
  2. Step 2: Convert to fraction form
    183,106.90/274,551.27 = 56,709.70/x
  3. Step 3: Cross multiply
    183,106.90x = 274,551.27 × 56,709.70
  4. Step 4: Simplify right side
    183,106.90x = 15,569,720,156.32
  5. Step 5: Solve for x
    x = 15,569,720,156.32/183,106.90
  6. Step 6: Final answer
    x = 85,030.77

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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.