Home / 527,535.78-791,304.66-128,176.89

Finding the Fourth Proportional to 527,535.78, 791,304.66 and 128,176.89

Calculator

Solution

The fourth proportional to 527,535.78, 791,304.66 and 128,176.89 is: 192,265.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,535.78 : 791,304.66 = 128,176.89 : x
  2. Step 2: Convert to fraction form
    527,535.78/791,304.66 = 128,176.89/x
  3. Step 3: Cross multiply
    527,535.78x = 791,304.66 × 128,176.89
  4. Step 4: Simplify right side
    527,535.78x = 101,426,970,361.31
  5. Step 5: Solve for x
    x = 101,426,970,361.31/527,535.78
  6. Step 6: Final answer
    x = 192,265.58

Related Problems

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.