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Finding the Fourth Proportional to 146,307.20, 201,903.76 and 79,239.20

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Solution

The fourth proportional to 146,307.20, 201,903.76 and 79,239.20 is: 109,350.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,307.20 : 201,903.76 = 79,239.20 : x
  2. Step 2: Convert to fraction form
    146,307.20/201,903.76 = 79,239.20/x
  3. Step 3: Cross multiply
    146,307.20x = 201,903.76 × 79,239.20
  4. Step 4: Simplify right side
    146,307.20x = 15,998,692,419.39
  5. Step 5: Solve for x
    x = 15,998,692,419.39/146,307.20
  6. Step 6: Final answer
    x = 109,350.00

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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.