Home / 145,387.53-218,081.03-45,555.37

Finding the Fourth Proportional to 145,387.53, 218,081.03 and 45,555.37

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Solution

The fourth proportional to 145,387.53, 218,081.03 and 45,555.37 is: 68,332.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,387.53 : 218,081.03 = 45,555.37 : x
  2. Step 2: Convert to fraction form
    145,387.53/218,081.03 = 45,555.37/x
  3. Step 3: Cross multiply
    145,387.53x = 218,081.03 × 45,555.37
  4. Step 4: Simplify right side
    145,387.53x = 9,934,761,238.65
  5. Step 5: Solve for x
    x = 9,934,761,238.65/145,387.53
  6. Step 6: Final answer
    x = 68,332.97

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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.