Home / 145,183.02-217,775.61-40,007.76

Finding the Fourth Proportional to 145,183.02, 217,775.61 and 40,007.76

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Solution

The fourth proportional to 145,183.02, 217,775.61 and 40,007.76 is: 60,011.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,183.02 : 217,775.61 = 40,007.76 : x
  2. Step 2: Convert to fraction form
    145,183.02/217,775.61 = 40,007.76/x
  3. Step 3: Cross multiply
    145,183.02x = 217,775.61 × 40,007.76
  4. Step 4: Simplify right side
    145,183.02x = 8,712,714,338.73
  5. Step 5: Solve for x
    x = 8,712,714,338.73/145,183.02
  6. Step 6: Final answer
    x = 60,011.94

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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.