Home / 145,379.04-218,097.86-51,882.36

Finding the Fourth Proportional to 145,379.04, 218,097.86 and 51,882.36

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Solution

The fourth proportional to 145,379.04, 218,097.86 and 51,882.36 is: 77,833.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,379.04 : 218,097.86 = 51,882.36 : x
  2. Step 2: Convert to fraction form
    145,379.04/218,097.86 = 51,882.36/x
  3. Step 3: Cross multiply
    145,379.04x = 218,097.86 × 51,882.36
  4. Step 4: Simplify right side
    145,379.04x = 11,315,431,428.34
  5. Step 5: Solve for x
    x = 11,315,431,428.34/145,379.04
  6. Step 6: Final answer
    x = 77,833.99

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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.