Home / 121,178.28-181,795.06-36,945.98

Finding the Fourth Proportional to 121,178.28, 181,795.06 and 36,945.98

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Solution

The fourth proportional to 121,178.28, 181,795.06 and 36,945.98 is: 55,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,178.28 : 181,795.06 = 36,945.98 : x
  2. Step 2: Convert to fraction form
    121,178.28/181,795.06 = 36,945.98/x
  3. Step 3: Cross multiply
    121,178.28x = 181,795.06 × 36,945.98
  4. Step 4: Simplify right side
    121,178.28x = 6,716,596,650.86
  5. Step 5: Solve for x
    x = 6,716,596,650.86/121,178.28
  6. Step 6: Final answer
    x = 55,427.40

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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.