Home / 156,154.07-215,492.69-84,534.09

Finding the Fourth Proportional to 156,154.07, 215,492.69 and 84,534.09

Calculator

Solution

The fourth proportional to 156,154.07, 215,492.69 and 84,534.09 is: 116,657.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,154.07 : 215,492.69 = 84,534.09 : x
  2. Step 2: Convert to fraction form
    156,154.07/215,492.69 = 84,534.09/x
  3. Step 3: Cross multiply
    156,154.07x = 215,492.69 × 84,534.09
  4. Step 4: Simplify right side
    156,154.07x = 18,216,478,662.14
  5. Step 5: Solve for x
    x = 18,216,478,662.14/156,154.07
  6. Step 6: Final answer
    x = 116,657.08

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.