Home / 122,457.32-168,988.62-68,006.60

Finding the Fourth Proportional to 122,457.32, 168,988.62 and 68,006.60

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Solution

The fourth proportional to 122,457.32, 168,988.62 and 68,006.60 is: 93,847.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,457.32 : 168,988.62 = 68,006.60 : x
  2. Step 2: Convert to fraction form
    122,457.32/168,988.62 = 68,006.60/x
  3. Step 3: Cross multiply
    122,457.32x = 168,988.62 × 68,006.60
  4. Step 4: Simplify right side
    122,457.32x = 11,492,341,484.89
  5. Step 5: Solve for x
    x = 11,492,341,484.89/122,457.32
  6. Step 6: Final answer
    x = 93,847.73

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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.