Home / 145,632.80-218,458.61-45,796.86

Finding the Fourth Proportional to 145,632.80, 218,458.61 and 45,796.86

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Solution

The fourth proportional to 145,632.80, 218,458.61 and 45,796.86 is: 68,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,632.80 : 218,458.61 = 45,796.86 : x
  2. Step 2: Convert to fraction form
    145,632.80/218,458.61 = 45,796.86/x
  3. Step 3: Cross multiply
    145,632.80x = 218,458.61 × 45,796.86
  4. Step 4: Simplify right side
    145,632.80x = 10,004,718,148.98
  5. Step 5: Solve for x
    x = 10,004,718,148.98/145,632.80
  6. Step 6: Final answer
    x = 68,698.25

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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.