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Finding the Fourth Proportional to 146,357.38, 201,973.38 and 79,289.38

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Solution

The fourth proportional to 146,357.38, 201,973.38 and 79,289.38 is: 109,419.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,357.38 : 201,973.38 = 79,289.38 : x
  2. Step 2: Convert to fraction form
    146,357.38/201,973.38 = 79,289.38/x
  3. Step 3: Cross multiply
    146,357.38x = 201,973.38 × 79,289.38
  4. Step 4: Simplify right side
    146,357.38x = 16,014,343,066.84
  5. Step 5: Solve for x
    x = 16,014,343,066.84/146,357.38
  6. Step 6: Final answer
    x = 109,419.45

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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.