Home / 148,176.72-204,483.36-80,193.96

Finding the Fourth Proportional to 148,176.72, 204,483.36 and 80,193.96

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Solution

The fourth proportional to 148,176.72, 204,483.36 and 80,193.96 is: 110,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,176.72 : 204,483.36 = 80,193.96 : x
  2. Step 2: Convert to fraction form
    148,176.72/204,483.36 = 80,193.96/x
  3. Step 3: Cross multiply
    148,176.72x = 204,483.36 × 80,193.96
  4. Step 4: Simplify right side
    148,176.72x = 16,398,330,392.51
  5. Step 5: Solve for x
    x = 16,398,330,392.51/148,176.72
  6. Step 6: Final answer
    x = 110,667.39

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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.