Home / 136,290.80-204,209.32-47,495.36

Finding the Fourth Proportional to 136,290.80, 204,209.32 and 47,495.36

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Solution

The fourth proportional to 136,290.80, 204,209.32 and 47,495.36 is: 71,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,290.80 : 204,209.32 = 47,495.36 : x
  2. Step 2: Convert to fraction form
    136,290.80/204,209.32 = 47,495.36/x
  3. Step 3: Cross multiply
    136,290.80x = 204,209.32 × 47,495.36
  4. Step 4: Simplify right side
    136,290.80x = 9,698,995,168.76
  5. Step 5: Solve for x
    x = 9,698,995,168.76/136,290.80
  6. Step 6: Final answer
    x = 71,163.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.