Home / 212,142.78-292,455.50-168,741.63

Finding the Fourth Proportional to 212,142.78, 292,455.50 and 168,741.63

Calculator

Solution

The fourth proportional to 212,142.78, 292,455.50 and 168,741.63 is: 232,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,142.78 : 292,455.50 = 168,741.63 : x
  2. Step 2: Convert to fraction form
    212,142.78/292,455.50 = 168,741.63/x
  3. Step 3: Cross multiply
    212,142.78x = 292,455.50 × 168,741.63
  4. Step 4: Simplify right side
    212,142.78x = 49,349,416,928.76
  5. Step 5: Solve for x
    x = 49,349,416,928.76/212,142.78
  6. Step 6: Final answer
    x = 232,623.60

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.