Home / 123,971.48-171,080.88-67,382.72

Finding the Fourth Proportional to 123,971.48, 171,080.88 and 67,382.72

Calculator

Solution

The fourth proportional to 123,971.48, 171,080.88 and 67,382.72 is: 92,988.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,971.48 : 171,080.88 = 67,382.72 : x
  2. Step 2: Convert to fraction form
    123,971.48/171,080.88 = 67,382.72/x
  3. Step 3: Cross multiply
    123,971.48x = 171,080.88 × 67,382.72
  4. Step 4: Simplify right side
    123,971.48x = 11,527,895,034.39
  5. Step 5: Solve for x
    x = 11,527,895,034.39/123,971.48
  6. Step 6: Final answer
    x = 92,988.28

Related Problems

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.