Home / 133,048.13-183,606.41-90,680.67

Finding the Fourth Proportional to 133,048.13, 183,606.41 and 90,680.67

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Solution

The fourth proportional to 133,048.13, 183,606.41 and 90,680.67 is: 125,139.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,048.13 : 183,606.41 = 90,680.67 : x
  2. Step 2: Convert to fraction form
    133,048.13/183,606.41 = 90,680.67/x
  3. Step 3: Cross multiply
    133,048.13x = 183,606.41 × 90,680.67
  4. Step 4: Simplify right side
    133,048.13x = 16,649,552,501.80
  5. Step 5: Solve for x
    x = 16,649,552,501.80/133,048.13
  6. Step 6: Final answer
    x = 125,139.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.