Home / 152,144.28-228,216.42-118,814.40

Finding the Fourth Proportional to 152,144.28, 228,216.42 and 118,814.40

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Solution

The fourth proportional to 152,144.28, 228,216.42 and 118,814.40 is: 178,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,144.28 : 228,216.42 = 118,814.40 : x
  2. Step 2: Convert to fraction form
    152,144.28/228,216.42 = 118,814.40/x
  3. Step 3: Cross multiply
    152,144.28x = 228,216.42 × 118,814.40
  4. Step 4: Simplify right side
    152,144.28x = 27,115,397,012.45
  5. Step 5: Solve for x
    x = 27,115,397,012.45/152,144.28
  6. Step 6: Final answer
    x = 178,221.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.