Home / 187,897.72-259,270.64-107,308.08

Finding the Fourth Proportional to 187,897.72, 259,270.64 and 107,308.08

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Solution

The fourth proportional to 187,897.72, 259,270.64 and 107,308.08 is: 148,069.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,897.72 : 259,270.64 = 107,308.08 : x
  2. Step 2: Convert to fraction form
    187,897.72/259,270.64 = 107,308.08/x
  3. Step 3: Cross multiply
    187,897.72x = 259,270.64 × 107,308.08
  4. Step 4: Simplify right side
    187,897.72x = 27,821,834,578.77
  5. Step 5: Solve for x
    x = 27,821,834,578.77/187,897.72
  6. Step 6: Final answer
    x = 148,069.04

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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.