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Finding the Fourth Proportional to 201,156.10, 301,955.73 and 169,953.07

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Solution

The fourth proportional to 201,156.10, 301,955.73 and 169,953.07 is: 255,116.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,156.10 : 301,955.73 = 169,953.07 : x
  2. Step 2: Convert to fraction form
    201,156.10/301,955.73 = 169,953.07/x
  3. Step 3: Cross multiply
    201,156.10x = 301,955.73 × 169,953.07
  4. Step 4: Simplify right side
    201,156.10x = 51,318,303,317.59
  5. Step 5: Solve for x
    x = 51,318,303,317.59/201,156.10
  6. Step 6: Final answer
    x = 255,116.81

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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.