Home / 121,288.01-166,165.18-116,742.65

Finding the Fourth Proportional to 121,288.01, 166,165.18 and 116,742.65

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Solution

The fourth proportional to 121,288.01, 166,165.18 and 116,742.65 is: 159,938.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,288.01 : 166,165.18 = 116,742.65 : x
  2. Step 2: Convert to fraction form
    121,288.01/166,165.18 = 116,742.65/x
  3. Step 3: Cross multiply
    121,288.01x = 166,165.18 × 116,742.65
  4. Step 4: Simplify right side
    121,288.01x = 19,398,562,328.24
  5. Step 5: Solve for x
    x = 19,398,562,328.24/121,288.01
  6. Step 6: Final answer
    x = 159,938.01

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.