Home / 122,447.70-183,496.32-69,748.29

Finding the Fourth Proportional to 122,447.70, 183,496.32 and 69,748.29

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Solution

The fourth proportional to 122,447.70, 183,496.32 and 69,748.29 is: 104,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,447.70 : 183,496.32 = 69,748.29 : x
  2. Step 2: Convert to fraction form
    122,447.70/183,496.32 = 69,748.29/x
  3. Step 3: Cross multiply
    122,447.70x = 183,496.32 × 69,748.29
  4. Step 4: Simplify right side
    122,447.70x = 12,798,554,541.29
  5. Step 5: Solve for x
    x = 12,798,554,541.29/122,447.70
  6. Step 6: Final answer
    x = 104,522.62

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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.