Home / 87,367.36-130,828.68-57,740.80

Finding the Fourth Proportional to 87,367.36, 130,828.68 and 57,740.80

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Solution

The fourth proportional to 87,367.36, 130,828.68 and 57,740.80 is: 86,464.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,367.36 : 130,828.68 = 57,740.80 : x
  2. Step 2: Convert to fraction form
    87,367.36/130,828.68 = 57,740.80/x
  3. Step 3: Cross multiply
    87,367.36x = 130,828.68 × 57,740.80
  4. Step 4: Simplify right side
    87,367.36x = 7,554,152,646.14
  5. Step 5: Solve for x
    x = 7,554,152,646.14/87,367.36
  6. Step 6: Final answer
    x = 86,464.24

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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.