Home / 90,936.65-136,278.54-79,066.10

Finding the Fourth Proportional to 90,936.65, 136,278.54 and 79,066.10

Calculator

Solution

The fourth proportional to 90,936.65, 136,278.54 and 79,066.10 is: 118,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,936.65 : 136,278.54 = 79,066.10 : x
  2. Step 2: Convert to fraction form
    90,936.65/136,278.54 = 79,066.10/x
  3. Step 3: Cross multiply
    90,936.65x = 136,278.54 × 79,066.10
  4. Step 4: Simplify right side
    90,936.65x = 10,775,012,671.49
  5. Step 5: Solve for x
    x = 10,775,012,671.49/90,936.65
  6. Step 6: Final answer
    x = 118,489.22

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.