Home / 143,342.64-197,819.60-79,681.50

Finding the Fourth Proportional to 143,342.64, 197,819.60 and 79,681.50

Calculator

Solution

The fourth proportional to 143,342.64, 197,819.60 and 79,681.50 is: 109,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,342.64 : 197,819.60 = 79,681.50 : x
  2. Step 2: Convert to fraction form
    143,342.64/197,819.60 = 79,681.50/x
  3. Step 3: Cross multiply
    143,342.64x = 197,819.60 × 79,681.50
  4. Step 4: Simplify right side
    143,342.64x = 15,762,562,058.99
  5. Step 5: Solve for x
    x = 15,762,562,058.99/143,342.64
  6. Step 6: Final answer
    x = 109,964.22

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.