Home / 157,432.02-217,253.98-85,812.32

Finding the Fourth Proportional to 157,432.02, 217,253.98 and 85,812.32

Calculator

Solution

The fourth proportional to 157,432.02, 217,253.98 and 85,812.32 is: 118,419.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,432.02 : 217,253.98 = 85,812.32 : x
  2. Step 2: Convert to fraction form
    157,432.02/217,253.98 = 85,812.32/x
  3. Step 3: Cross multiply
    157,432.02x = 217,253.98 × 85,812.32
  4. Step 4: Simplify right side
    157,432.02x = 18,643,068,053.03
  5. Step 5: Solve for x
    x = 18,643,068,053.03/157,432.02
  6. Step 6: Final answer
    x = 118,419.80

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.