Home / 100,225.05-138,304.65-54,894

Finding the Fourth Proportional to 100,225.05, 138,304.65 and 54,894

Calculator

Solution

The fourth proportional to 100,225.05, 138,304.65 and 54,894 is: 75,750.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,225.05 : 138,304.65 = 54,894 : x
  2. Step 2: Convert to fraction form
    100,225.05/138,304.65 = 54,894/x
  3. Step 3: Cross multiply
    100,225.05x = 138,304.65 × 54,894
  4. Step 4: Simplify right side
    100,225.05x = 7,592,095,457.10
  5. Step 5: Solve for x
    x = 7,592,095,457.10/100,225.05
  6. Step 6: Final answer
    x = 75,750.48

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.