Home / 171,740.40-257,561.37-57,875.81

Finding the Fourth Proportional to 171,740.40, 257,561.37 and 57,875.81

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Solution

The fourth proportional to 171,740.40, 257,561.37 and 57,875.81 is: 86,797.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,740.40 : 257,561.37 = 57,875.81 : x
  2. Step 2: Convert to fraction form
    171,740.40/257,561.37 = 57,875.81/x
  3. Step 3: Cross multiply
    171,740.40x = 257,561.37 × 57,875.81
  4. Step 4: Simplify right side
    171,740.40x = 14,906,571,625.65
  5. Step 5: Solve for x
    x = 14,906,571,625.65/171,740.40
  6. Step 6: Final answer
    x = 86,797.12

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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.