Home / 114,868.10-158,595.36-102,730.80

Finding the Fourth Proportional to 114,868.10, 158,595.36 and 102,730.80

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Solution

The fourth proportional to 114,868.10, 158,595.36 and 102,730.80 is: 141,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,868.10 : 158,595.36 = 102,730.80 : x
  2. Step 2: Convert to fraction form
    114,868.10/158,595.36 = 102,730.80/x
  3. Step 3: Cross multiply
    114,868.10x = 158,595.36 × 102,730.80
  4. Step 4: Simplify right side
    114,868.10x = 16,292,628,209.09
  5. Step 5: Solve for x
    x = 16,292,628,209.09/114,868.10
  6. Step 6: Final answer
    x = 141,837.71

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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.