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Finding the Fourth Proportional to 201,124.40, 301,686.60 and 107,812.40

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Solution

The fourth proportional to 201,124.40, 301,686.60 and 107,812.40 is: 161,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,124.40 : 301,686.60 = 107,812.40 : x
  2. Step 2: Convert to fraction form
    201,124.40/301,686.60 = 107,812.40/x
  3. Step 3: Cross multiply
    201,124.40x = 301,686.60 × 107,812.40
  4. Step 4: Simplify right side
    201,124.40x = 32,525,556,393.84
  5. Step 5: Solve for x
    x = 32,525,556,393.84/201,124.40
  6. Step 6: Final answer
    x = 161,718.60

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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.