Home / 142,127.25-213,324.93-104,572.95

Finding the Fourth Proportional to 142,127.25, 213,324.93 and 104,572.95

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Solution

The fourth proportional to 142,127.25, 213,324.93 and 104,572.95 is: 156,958.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,127.25 : 213,324.93 = 104,572.95 : x
  2. Step 2: Convert to fraction form
    142,127.25/213,324.93 = 104,572.95/x
  3. Step 3: Cross multiply
    142,127.25x = 213,324.93 × 104,572.95
  4. Step 4: Simplify right side
    142,127.25x = 22,308,017,238.64
  5. Step 5: Solve for x
    x = 22,308,017,238.64/142,127.25
  6. Step 6: Final answer
    x = 156,958.06

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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.