Home / 156,931.90-235,138.65-133,603.90

Finding the Fourth Proportional to 156,931.90, 235,138.65 and 133,603.90

Calculator

Solution

The fourth proportional to 156,931.90, 235,138.65 and 133,603.90 is: 200,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,931.90 : 235,138.65 = 133,603.90 : x
  2. Step 2: Convert to fraction form
    156,931.90/235,138.65 = 133,603.90/x
  3. Step 3: Cross multiply
    156,931.90x = 235,138.65 × 133,603.90
  4. Step 4: Simplify right side
    156,931.90x = 31,415,440,680.74
  5. Step 5: Solve for x
    x = 31,415,440,680.74/156,931.90
  6. Step 6: Final answer
    x = 200,185.18

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.