Home / 156,293.04-215,684.22-84,674.88

Finding the Fourth Proportional to 156,293.04, 215,684.22 and 84,674.88

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Solution

The fourth proportional to 156,293.04, 215,684.22 and 84,674.88 is: 116,851.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,293.04 : 215,684.22 = 84,674.88 : x
  2. Step 2: Convert to fraction form
    156,293.04/215,684.22 = 84,674.88/x
  3. Step 3: Cross multiply
    156,293.04x = 215,684.22 × 84,674.88
  4. Step 4: Simplify right side
    156,293.04x = 18,263,035,446.39
  5. Step 5: Solve for x
    x = 18,263,035,446.39/156,293.04
  6. Step 6: Final answer
    x = 116,851.24

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1.5x scale

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.