Home / 121,012.72-181,519.01-36,772.67

Finding the Fourth Proportional to 121,012.72, 181,519.01 and 36,772.67

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Solution

The fourth proportional to 121,012.72, 181,519.01 and 36,772.67 is: 55,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,012.72 : 181,519.01 = 36,772.67 : x
  2. Step 2: Convert to fraction form
    121,012.72/181,519.01 = 36,772.67/x
  3. Step 3: Cross multiply
    121,012.72x = 181,519.01 × 36,772.67
  4. Step 4: Simplify right side
    121,012.72x = 6,674,938,653.46
  5. Step 5: Solve for x
    x = 6,674,938,653.46/121,012.72
  6. Step 6: Final answer
    x = 55,158.98

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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.