Home / 215,394.56-297,247.32-118,609.76

Finding the Fourth Proportional to 215,394.56, 297,247.32 and 118,609.76

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Solution

The fourth proportional to 215,394.56, 297,247.32 and 118,609.76 is: 163,683.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,394.56 : 297,247.32 = 118,609.76 : x
  2. Step 2: Convert to fraction form
    215,394.56/297,247.32 = 118,609.76/x
  3. Step 3: Cross multiply
    215,394.56x = 297,247.32 × 118,609.76
  4. Step 4: Simplify right side
    215,394.56x = 35,256,433,285.84
  5. Step 5: Solve for x
    x = 35,256,433,285.84/215,394.56
  6. Step 6: Final answer
    x = 163,683.03

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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.