Home / 187,701.77-259,031.84-102,813.36

Finding the Fourth Proportional to 187,701.77, 259,031.84 and 102,813.36

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Solution

The fourth proportional to 187,701.77, 259,031.84 and 102,813.36 is: 141,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,701.77 : 259,031.84 = 102,813.36 : x
  2. Step 2: Convert to fraction form
    187,701.77/259,031.84 = 102,813.36/x
  3. Step 3: Cross multiply
    187,701.77x = 259,031.84 × 102,813.36
  4. Step 4: Simplify right side
    187,701.77x = 26,631,933,303.32
  5. Step 5: Solve for x
    x = 26,631,933,303.32/187,701.77
  6. Step 6: Final answer
    x = 141,884.30

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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.