Home / 103,632.07-155,450.73-77,502.67

Finding the Fourth Proportional to 103,632.07, 155,450.73 and 77,502.67

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Solution

The fourth proportional to 103,632.07, 155,450.73 and 77,502.67 is: 116,255.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,632.07 : 155,450.73 = 77,502.67 : x
  2. Step 2: Convert to fraction form
    103,632.07/155,450.73 = 77,502.67/x
  3. Step 3: Cross multiply
    103,632.07x = 155,450.73 × 77,502.67
  4. Step 4: Simplify right side
    103,632.07x = 12,047,846,628.45
  5. Step 5: Solve for x
    x = 12,047,846,628.45/103,632.07
  6. Step 6: Final answer
    x = 116,255.97

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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.