Home / 148,856.55-205,420.93-80,874.08

Finding the Fourth Proportional to 148,856.55, 205,420.93 and 80,874.08

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Solution

The fourth proportional to 148,856.55, 205,420.93 and 80,874.08 is: 111,605.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,856.55 : 205,420.93 = 80,874.08 : x
  2. Step 2: Convert to fraction form
    148,856.55/205,420.93 = 80,874.08/x
  3. Step 3: Cross multiply
    148,856.55x = 205,420.93 × 80,874.08
  4. Step 4: Simplify right side
    148,856.55x = 16,613,228,722.45
  5. Step 5: Solve for x
    x = 16,613,228,722.45/148,856.55
  6. Step 6: Final answer
    x = 111,605.63

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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.