Home / 121,371.21-182,017.46-46,487.37

Finding the Fourth Proportional to 121,371.21, 182,017.46 and 46,487.37

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Solution

The fourth proportional to 121,371.21, 182,017.46 and 46,487.37 is: 69,715.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,371.21 : 182,017.46 = 46,487.37 : x
  2. Step 2: Convert to fraction form
    121,371.21/182,017.46 = 46,487.37/x
  3. Step 3: Cross multiply
    121,371.21x = 182,017.46 × 46,487.37
  4. Step 4: Simplify right side
    121,371.21x = 8,461,512,777.04
  5. Step 5: Solve for x
    x = 8,461,512,777.04/121,371.21
  6. Step 6: Final answer
    x = 69,715.98

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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.