Home / 213,537.20-294,681.24-128,670.66

Finding the Fourth Proportional to 213,537.20, 294,681.24 and 128,670.66

Calculator

Solution

The fourth proportional to 213,537.20, 294,681.24 and 128,670.66 is: 177,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,537.20 : 294,681.24 = 128,670.66 : x
  2. Step 2: Convert to fraction form
    213,537.20/294,681.24 = 128,670.66/x
  3. Step 3: Cross multiply
    213,537.20x = 294,681.24 × 128,670.66
  4. Step 4: Simplify right side
    213,537.20x = 37,916,829,640.42
  5. Step 5: Solve for x
    x = 37,916,829,640.42/213,537.20
  6. Step 6: Final answer
    x = 177,565.46

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.