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Finding the Fourth Proportional to 146,271.15, 201,854.16 and 79,203.15

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Solution

The fourth proportional to 146,271.15, 201,854.16 and 79,203.15 is: 109,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,271.15 : 201,854.16 = 79,203.15 : x
  2. Step 2: Convert to fraction form
    146,271.15/201,854.16 = 79,203.15/x
  3. Step 3: Cross multiply
    146,271.15x = 201,854.16 × 79,203.15
  4. Step 4: Simplify right side
    146,271.15x = 15,987,485,312.60
  5. Step 5: Solve for x
    x = 15,987,485,312.60/146,271.15
  6. Step 6: Final answer
    x = 109,300.33

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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.