Home / 187,177.86-258,323.26-102,307.68

Finding the Fourth Proportional to 187,177.86, 258,323.26 and 102,307.68

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Solution

The fourth proportional to 187,177.86, 258,323.26 and 102,307.68 is: 141,194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,177.86 : 258,323.26 = 102,307.68 : x
  2. Step 2: Convert to fraction form
    187,177.86/258,323.26 = 102,307.68/x
  3. Step 3: Cross multiply
    187,177.86x = 258,323.26 × 102,307.68
  4. Step 4: Simplify right side
    187,177.86x = 26,428,453,420.64
  5. Step 5: Solve for x
    x = 26,428,453,420.64/187,177.86
  6. Step 6: Final answer
    x = 141,194.33

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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.