Home / 152,106.20-228,156.71-45,490.40

Finding the Fourth Proportional to 152,106.20, 228,156.71 and 45,490.40

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Solution

The fourth proportional to 152,106.20, 228,156.71 and 45,490.40 is: 68,234.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,106.20 : 228,156.71 = 45,490.40 : x
  2. Step 2: Convert to fraction form
    152,106.20/228,156.71 = 45,490.40/x
  3. Step 3: Cross multiply
    152,106.20x = 228,156.71 × 45,490.40
  4. Step 4: Simplify right side
    152,106.20x = 10,378,938,632.35
  5. Step 5: Solve for x
    x = 10,378,938,632.35/152,106.20
  6. Step 6: Final answer
    x = 68,234.82

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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.