Home / 121,180.10-181,806.60-65,047.10

Finding the Fourth Proportional to 121,180.10, 181,806.60 and 65,047.10

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Solution

The fourth proportional to 121,180.10, 181,806.60 and 65,047.10 is: 97,590.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,180.10 : 181,806.60 = 65,047.10 : x
  2. Step 2: Convert to fraction form
    121,180.10/181,806.60 = 65,047.10/x
  3. Step 3: Cross multiply
    121,180.10x = 181,806.60 × 65,047.10
  4. Step 4: Simplify right side
    121,180.10x = 11,825,992,090.86
  5. Step 5: Solve for x
    x = 11,825,992,090.86/121,180.10
  6. Step 6: Final answer
    x = 97,590.22

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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.