Home / 125,554.50-188,338.80-40,172.81

Finding the Fourth Proportional to 125,554.50, 188,338.80 and 40,172.81

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Solution

The fourth proportional to 125,554.50, 188,338.80 and 40,172.81 is: 60,261.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,554.50 : 188,338.80 = 40,172.81 : x
  2. Step 2: Convert to fraction form
    125,554.50/188,338.80 = 40,172.81/x
  3. Step 3: Cross multiply
    125,554.50x = 188,338.80 × 40,172.81
  4. Step 4: Simplify right side
    125,554.50x = 7,566,097,886.33
  5. Step 5: Solve for x
    x = 7,566,097,886.33/125,554.50
  6. Step 6: Final answer
    x = 60,261.46

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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.