Home / 148,388.55-204,774.09-80,403.93

Finding the Fourth Proportional to 148,388.55, 204,774.09 and 80,403.93

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Solution

The fourth proportional to 148,388.55, 204,774.09 and 80,403.93 is: 110,956.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,388.55 : 204,774.09 = 80,403.93 : x
  2. Step 2: Convert to fraction form
    148,388.55/204,774.09 = 80,403.93/x
  3. Step 3: Cross multiply
    148,388.55x = 204,774.09 × 80,403.93
  4. Step 4: Simplify right side
    148,388.55x = 16,464,641,598.17
  5. Step 5: Solve for x
    x = 16,464,641,598.17/148,388.55
  6. Step 6: Final answer
    x = 110,956.28

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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.