Home / 210,007.14-315,009.35-125,791.23

Finding the Fourth Proportional to 210,007.14, 315,009.35 and 125,791.23

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Solution

The fourth proportional to 210,007.14, 315,009.35 and 125,791.23 is: 188,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,007.14 : 315,009.35 = 125,791.23 : x
  2. Step 2: Convert to fraction form
    210,007.14/315,009.35 = 125,791.23/x
  3. Step 3: Cross multiply
    210,007.14x = 315,009.35 × 125,791.23
  4. Step 4: Simplify right side
    210,007.14x = 39,625,413,598.00
  5. Step 5: Solve for x
    x = 39,625,413,598.00/210,007.14
  6. Step 6: Final answer
    x = 188,686.03

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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.