Home / 145,636.77-218,464.58-45,800.83

Finding the Fourth Proportional to 145,636.77, 218,464.58 and 45,800.83

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Solution

The fourth proportional to 145,636.77, 218,464.58 and 45,800.83 is: 68,704.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,636.77 : 218,464.58 = 45,800.83 : x
  2. Step 2: Convert to fraction form
    145,636.77/218,464.58 = 45,800.83/x
  3. Step 3: Cross multiply
    145,636.77x = 218,464.58 × 45,800.83
  4. Step 4: Simplify right side
    145,636.77x = 10,005,859,219.55
  5. Step 5: Solve for x
    x = 10,005,859,219.55/145,636.77
  6. Step 6: Final answer
    x = 68,704.21

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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.