Home / 255,123.20-352,071.60-141,953.12

Finding the Fourth Proportional to 255,123.20, 352,071.60 and 141,953.12

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Solution

The fourth proportional to 255,123.20, 352,071.60 and 141,953.12 is: 195,896.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,123.20 : 352,071.60 = 141,953.12 : x
  2. Step 2: Convert to fraction form
    255,123.20/352,071.60 = 141,953.12/x
  3. Step 3: Cross multiply
    255,123.20x = 352,071.60 × 141,953.12
  4. Step 4: Simplify right side
    255,123.20x = 49,977,662,083.39
  5. Step 5: Solve for x
    x = 49,977,662,083.39/255,123.20
  6. Step 6: Final answer
    x = 195,896.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.