Home / 146,777.70-220,166.55-145,856.10

Finding the Fourth Proportional to 146,777.70, 220,166.55 and 145,856.10

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Solution

The fourth proportional to 146,777.70, 220,166.55 and 145,856.10 is: 218,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,777.70 : 220,166.55 = 145,856.10 : x
  2. Step 2: Convert to fraction form
    146,777.70/220,166.55 = 145,856.10/x
  3. Step 3: Cross multiply
    146,777.70x = 220,166.55 × 145,856.10
  4. Step 4: Simplify right side
    146,777.70x = 32,112,634,333.46
  5. Step 5: Solve for x
    x = 32,112,634,333.46/146,777.70
  6. Step 6: Final answer
    x = 218,784.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.