Home / 255,083.13-351,868.19-159,423.75

Finding the Fourth Proportional to 255,083.13, 351,868.19 and 159,423.75

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Solution

The fourth proportional to 255,083.13, 351,868.19 and 159,423.75 is: 219,913.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,083.13 : 351,868.19 = 159,423.75 : x
  2. Step 2: Convert to fraction form
    255,083.13/351,868.19 = 159,423.75/x
  3. Step 3: Cross multiply
    255,083.13x = 351,868.19 × 159,423.75
  4. Step 4: Simplify right side
    255,083.13x = 56,096,145,558.39
  5. Step 5: Solve for x
    x = 56,096,145,558.39/255,083.13
  6. Step 6: Final answer
    x = 219,913.19

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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.