Home / 157,520.25-217,370.04-89,528.25

Finding the Fourth Proportional to 157,520.25, 217,370.04 and 89,528.25

Calculator

Solution

The fourth proportional to 157,520.25, 217,370.04 and 89,528.25 is: 123,544.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,520.25 : 217,370.04 = 89,528.25 : x
  2. Step 2: Convert to fraction form
    157,520.25/217,370.04 = 89,528.25/x
  3. Step 3: Cross multiply
    157,520.25x = 217,370.04 × 89,528.25
  4. Step 4: Simplify right side
    157,520.25x = 19,460,759,283.63
  5. Step 5: Solve for x
    x = 19,460,759,283.63/157,520.25
  6. Step 6: Final answer
    x = 123,544.49

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.