Home / 145,463.12-218,194.72-45,632.04

Finding the Fourth Proportional to 145,463.12, 218,194.72 and 45,632.04

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Solution

The fourth proportional to 145,463.12, 218,194.72 and 45,632.04 is: 68,448.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,463.12 : 218,194.72 = 45,632.04 : x
  2. Step 2: Convert to fraction form
    145,463.12/218,194.72 = 45,632.04/x
  3. Step 3: Cross multiply
    145,463.12x = 218,194.72 × 45,632.04
  4. Step 4: Simplify right side
    145,463.12x = 9,956,670,190.83
  5. Step 5: Solve for x
    x = 9,956,670,190.83/145,463.12
  6. Step 6: Final answer
    x = 68,448.07

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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.