Home / 152,280.14-228,341.33-81,183.67

Finding the Fourth Proportional to 152,280.14, 228,341.33 and 81,183.67

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Solution

The fourth proportional to 152,280.14, 228,341.33 and 81,183.67 is: 121,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,280.14 : 228,341.33 = 81,183.67 : x
  2. Step 2: Convert to fraction form
    152,280.14/228,341.33 = 81,183.67/x
  3. Step 3: Cross multiply
    152,280.14x = 228,341.33 × 81,183.67
  4. Step 4: Simplify right side
    152,280.14x = 18,537,586,509.75
  5. Step 5: Solve for x
    x = 18,537,586,509.75/152,280.14
  6. Step 6: Final answer
    x = 121,733.45

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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.