Home / 215,386.52-323,279.26-108,845.45

Finding the Fourth Proportional to 215,386.52, 323,279.26 and 108,845.45

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Solution

The fourth proportional to 215,386.52, 323,279.26 and 108,845.45 is: 163,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,386.52 : 323,279.26 = 108,845.45 : x
  2. Step 2: Convert to fraction form
    215,386.52/323,279.26 = 108,845.45/x
  3. Step 3: Cross multiply
    215,386.52x = 323,279.26 × 108,845.45
  4. Step 4: Simplify right side
    215,386.52x = 35,187,477,756.00
  5. Step 5: Solve for x
    x = 35,187,477,756.00/215,386.52
  6. Step 6: Final answer
    x = 163,368.98

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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.