Home / 187,369.20-258,567.39-102,485.25

Finding the Fourth Proportional to 187,369.20, 258,567.39 and 102,485.25

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Solution

The fourth proportional to 187,369.20, 258,567.39 and 102,485.25 is: 141,428.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,369.20 : 258,567.39 = 102,485.25 : x
  2. Step 2: Convert to fraction form
    187,369.20/258,567.39 = 102,485.25/x
  3. Step 3: Cross multiply
    187,369.20x = 258,567.39 × 102,485.25
  4. Step 4: Simplify right side
    187,369.20x = 26,499,343,606.00
  5. Step 5: Solve for x
    x = 26,499,343,606.00/187,369.20
  6. Step 6: Final answer
    x = 141,428.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.