Home / 121,157.48-181,742.70-36,911.24

Finding the Fourth Proportional to 121,157.48, 181,742.70 and 36,911.24

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Solution

The fourth proportional to 121,157.48, 181,742.70 and 36,911.24 is: 55,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,157.48 : 181,742.70 = 36,911.24 : x
  2. Step 2: Convert to fraction form
    121,157.48/181,742.70 = 36,911.24/x
  3. Step 3: Cross multiply
    121,157.48x = 181,742.70 × 36,911.24
  4. Step 4: Simplify right side
    121,157.48x = 6,708,348,417.95
  5. Step 5: Solve for x
    x = 6,708,348,417.95/121,157.48
  6. Step 6: Final answer
    x = 55,368.83

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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.