Home / 187,813.26-259,184.34-102,928.50

Finding the Fourth Proportional to 187,813.26, 259,184.34 and 102,928.50

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Solution

The fourth proportional to 187,813.26, 259,184.34 and 102,928.50 is: 142,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,813.26 : 259,184.34 = 102,928.50 : x
  2. Step 2: Convert to fraction form
    187,813.26/259,184.34 = 102,928.50/x
  3. Step 3: Cross multiply
    187,813.26x = 259,184.34 × 102,928.50
  4. Step 4: Simplify right side
    187,813.26x = 26,677,455,339.69
  5. Step 5: Solve for x
    x = 26,677,455,339.69/187,813.26
  6. Step 6: Final answer
    x = 142,042.45

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1.5x scale

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.