Home / 145,783.59-201,180.47-82,141.89

Finding the Fourth Proportional to 145,783.59, 201,180.47 and 82,141.89

Calculator

Solution

The fourth proportional to 145,783.59, 201,180.47 and 82,141.89 is: 113,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,783.59 : 201,180.47 = 82,141.89 : x
  2. Step 2: Convert to fraction form
    145,783.59/201,180.47 = 82,141.89/x
  3. Step 3: Cross multiply
    145,783.59x = 201,180.47 × 82,141.89
  4. Step 4: Simplify right side
    145,783.59x = 16,525,344,036.89
  5. Step 5: Solve for x
    x = 16,525,344,036.89/145,783.59
  6. Step 6: Final answer
    x = 113,355.31

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.