Home / 146,021.64-201,509.94-78,953.64

Finding the Fourth Proportional to 146,021.64, 201,509.94 and 78,953.64

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Solution

The fourth proportional to 146,021.64, 201,509.94 and 78,953.64 is: 108,956.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,021.64 : 201,509.94 = 78,953.64 : x
  2. Step 2: Convert to fraction form
    146,021.64/201,509.94 = 78,953.64/x
  3. Step 3: Cross multiply
    146,021.64x = 201,509.94 × 78,953.64
  4. Step 4: Simplify right side
    146,021.64x = 15,909,943,259.18
  5. Step 5: Solve for x
    x = 15,909,943,259.18/146,021.64
  6. Step 6: Final answer
    x = 108,956.06

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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.