Home / 210,146.73-315,219.29-125,932.25

Finding the Fourth Proportional to 210,146.73, 315,219.29 and 125,932.25

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Solution

The fourth proportional to 210,146.73, 315,219.29 and 125,932.25 is: 188,897.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,146.73 : 315,219.29 = 125,932.25 : x
  2. Step 2: Convert to fraction form
    210,146.73/315,219.29 = 125,932.25/x
  3. Step 3: Cross multiply
    210,146.73x = 315,219.29 × 125,932.25
  4. Step 4: Simplify right side
    210,146.73x = 39,696,272,227.34
  5. Step 5: Solve for x
    x = 39,696,272,227.34/210,146.73
  6. Step 6: Final answer
    x = 188,897.88

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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.