Home / 209,463.54-289,123.17-142,434.42

Finding the Fourth Proportional to 209,463.54, 289,123.17 and 142,434.42

Calculator

Solution

The fourth proportional to 209,463.54, 289,123.17 and 142,434.42 is: 196,602.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,463.54 : 289,123.17 = 142,434.42 : x
  2. Step 2: Convert to fraction form
    209,463.54/289,123.17 = 142,434.42/x
  3. Step 3: Cross multiply
    209,463.54x = 289,123.17 × 142,434.42
  4. Step 4: Simplify right side
    209,463.54x = 41,181,091,027.51
  5. Step 5: Solve for x
    x = 41,181,091,027.51/209,463.54
  6. Step 6: Final answer
    x = 196,602.67

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.