Home / 75,161.13-112,741.29-19,001.22

Finding the Fourth Proportional to 75,161.13, 112,741.29 and 19,001.22

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Solution

The fourth proportional to 75,161.13, 112,741.29 and 19,001.22 is: 28,501.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,161.13 : 112,741.29 = 19,001.22 : x
  2. Step 2: Convert to fraction form
    75,161.13/112,741.29 = 19,001.22/x
  3. Step 3: Cross multiply
    75,161.13x = 112,741.29 × 19,001.22
  4. Step 4: Simplify right side
    75,161.13x = 2,142,222,054.37
  5. Step 5: Solve for x
    x = 2,142,222,054.37/75,161.13
  6. Step 6: Final answer
    x = 28,501.73

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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.