Home / 215,573.04-323,409.69-73,419.57

Finding the Fourth Proportional to 215,573.04, 323,409.69 and 73,419.57

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Solution

The fourth proportional to 215,573.04, 323,409.69 and 73,419.57 is: 110,146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,573.04 : 323,409.69 = 73,419.57 : x
  2. Step 2: Convert to fraction form
    215,573.04/323,409.69 = 73,419.57/x
  3. Step 3: Cross multiply
    215,573.04x = 323,409.69 × 73,419.57
  4. Step 4: Simplify right side
    215,573.04x = 23,744,600,373.63
  5. Step 5: Solve for x
    x = 23,744,600,373.63/215,573.04
  6. Step 6: Final answer
    x = 110,146.43

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1.5x scale

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.