Home / 122,453.10-169,002.33-68,017.50

Finding the Fourth Proportional to 122,453.10, 169,002.33 and 68,017.50

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Solution

The fourth proportional to 122,453.10, 169,002.33 and 68,017.50 is: 93,873.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,453.10 : 169,002.33 = 68,017.50 : x
  2. Step 2: Convert to fraction form
    122,453.10/169,002.33 = 68,017.50/x
  3. Step 3: Cross multiply
    122,453.10x = 169,002.33 × 68,017.50
  4. Step 4: Simplify right side
    122,453.10x = 11,495,115,980.78
  5. Step 5: Solve for x
    x = 11,495,115,980.78/122,453.10
  6. Step 6: Final answer
    x = 93,873.62

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Why These Related Problems?

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