Home / 146,018.64-201,505.80-78,950.64

Finding the Fourth Proportional to 146,018.64, 201,505.80 and 78,950.64

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Solution

The fourth proportional to 146,018.64, 201,505.80 and 78,950.64 is: 108,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,018.64 : 201,505.80 = 78,950.64 : x
  2. Step 2: Convert to fraction form
    146,018.64/201,505.80 = 78,950.64/x
  3. Step 3: Cross multiply
    146,018.64x = 201,505.80 × 78,950.64
  4. Step 4: Simplify right side
    146,018.64x = 15,909,011,873.71
  5. Step 5: Solve for x
    x = 15,909,011,873.71/146,018.64
  6. Step 6: Final answer
    x = 108,951.92

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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.