Home / 210,008.14-315,010.85-125,792.23

Finding the Fourth Proportional to 210,008.14, 315,010.85 and 125,792.23

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Solution

The fourth proportional to 210,008.14, 315,010.85 and 125,792.23 is: 188,687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,008.14 : 315,010.85 = 125,792.23 : x
  2. Step 2: Convert to fraction form
    210,008.14/315,010.85 = 125,792.23/x
  3. Step 3: Cross multiply
    210,008.14x = 315,010.85 × 125,792.23
  4. Step 4: Simplify right side
    210,008.14x = 39,625,917,295.70
  5. Step 5: Solve for x
    x = 39,625,917,295.70/210,008.14
  6. Step 6: Final answer
    x = 188,687.53

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1.5x scale

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.