Home / 156,971.89-235,457.84-46,163.89

Finding the Fourth Proportional to 156,971.89, 235,457.84 and 46,163.89

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Solution

The fourth proportional to 156,971.89, 235,457.84 and 46,163.89 is: 69,245.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,971.89 : 235,457.84 = 46,163.89 : x
  2. Step 2: Convert to fraction form
    156,971.89/235,457.84 = 46,163.89/x
  3. Step 3: Cross multiply
    156,971.89x = 235,457.84 × 46,163.89
  4. Step 4: Simplify right side
    156,971.89x = 10,869,649,825.40
  5. Step 5: Solve for x
    x = 10,869,649,825.40/156,971.89
  6. Step 6: Final answer
    x = 69,245.84

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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.