Home / 142,127.69-213,325.49-104,573.26

Finding the Fourth Proportional to 142,127.69, 213,325.49 and 104,573.26

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Solution

The fourth proportional to 142,127.69, 213,325.49 and 104,573.26 is: 156,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,127.69 : 213,325.49 = 104,573.26 : x
  2. Step 2: Convert to fraction form
    142,127.69/213,325.49 = 104,573.26/x
  3. Step 3: Cross multiply
    142,127.69x = 213,325.49 × 104,573.26
  4. Step 4: Simplify right side
    142,127.69x = 22,308,141,930.40
  5. Step 5: Solve for x
    x = 22,308,141,930.40/142,127.69
  6. Step 6: Final answer
    x = 156,958.45

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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.