Home / 187,681.86-259,055.28-107,153.28

Finding the Fourth Proportional to 187,681.86, 259,055.28 and 107,153.28

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Solution

The fourth proportional to 187,681.86, 259,055.28 and 107,153.28 is: 147,902.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,681.86 : 259,055.28 = 107,153.28 : x
  2. Step 2: Convert to fraction form
    187,681.86/259,055.28 = 107,153.28/x
  3. Step 3: Cross multiply
    187,681.86x = 259,055.28 × 107,153.28
  4. Step 4: Simplify right side
    187,681.86x = 27,758,622,953.32
  5. Step 5: Solve for x
    x = 27,758,622,953.32/187,681.86
  6. Step 6: Final answer
    x = 147,902.54

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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.