Home / 152,416.90-228,625.35-131,421.70

Finding the Fourth Proportional to 152,416.90, 228,625.35 and 131,421.70

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Solution

The fourth proportional to 152,416.90, 228,625.35 and 131,421.70 is: 197,132.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,416.90 : 228,625.35 = 131,421.70 : x
  2. Step 2: Convert to fraction form
    152,416.90/228,625.35 = 131,421.70/x
  3. Step 3: Cross multiply
    152,416.90x = 228,625.35 × 131,421.70
  4. Step 4: Simplify right side
    152,416.90x = 30,046,332,160.10
  5. Step 5: Solve for x
    x = 30,046,332,160.10/152,416.90
  6. Step 6: Final answer
    x = 197,132.55

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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.