Home / 288,729.58-432,986.48-99,136.12

Finding the Fourth Proportional to 288,729.58, 432,986.48 and 99,136.12

Calculator

Solution

The fourth proportional to 288,729.58, 432,986.48 and 99,136.12 is: 148,667.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,729.58 : 432,986.48 = 99,136.12 : x
  2. Step 2: Convert to fraction form
    288,729.58/432,986.48 = 99,136.12/x
  3. Step 3: Cross multiply
    288,729.58x = 432,986.48 × 99,136.12
  4. Step 4: Simplify right side
    288,729.58x = 42,924,599,639.66
  5. Step 5: Solve for x
    x = 42,924,599,639.66/288,729.58
  6. Step 6: Final answer
    x = 148,667.14

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.