Home / 211,780.10-292,282.87-121,123.48

Finding the Fourth Proportional to 211,780.10, 292,282.87 and 121,123.48

Calculator

Solution

The fourth proportional to 211,780.10, 292,282.87 and 121,123.48 is: 167,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,780.10 : 292,282.87 = 121,123.48 : x
  2. Step 2: Convert to fraction form
    211,780.10/292,282.87 = 121,123.48/x
  3. Step 3: Cross multiply
    211,780.10x = 292,282.87 × 121,123.48
  4. Step 4: Simplify right side
    211,780.10x = 35,402,318,648.44
  5. Step 5: Solve for x
    x = 35,402,318,648.44/211,780.10
  6. Step 6: Final answer
    x = 167,165.46

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.