Home / 148,157.34-204,455.56-80,172.82

Finding the Fourth Proportional to 148,157.34, 204,455.56 and 80,172.82

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Solution

The fourth proportional to 148,157.34, 204,455.56 and 80,172.82 is: 110,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,157.34 : 204,455.56 = 80,172.82 : x
  2. Step 2: Convert to fraction form
    148,157.34/204,455.56 = 80,172.82/x
  3. Step 3: Cross multiply
    148,157.34x = 204,455.56 × 80,172.82
  4. Step 4: Simplify right side
    148,157.34x = 16,391,778,809.88
  5. Step 5: Solve for x
    x = 16,391,778,809.88/148,157.34
  6. Step 6: Final answer
    x = 110,637.64

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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.