Home / 151,741.89-209,415.11-88,089.39

Finding the Fourth Proportional to 151,741.89, 209,415.11 and 88,089.39

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Solution

The fourth proportional to 151,741.89, 209,415.11 and 88,089.39 is: 121,569.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,741.89 : 209,415.11 = 88,089.39 : x
  2. Step 2: Convert to fraction form
    151,741.89/209,415.11 = 88,089.39/x
  3. Step 3: Cross multiply
    151,741.89x = 209,415.11 × 88,089.39
  4. Step 4: Simplify right side
    151,741.89x = 18,447,248,856.24
  5. Step 5: Solve for x
    x = 18,447,248,856.24/151,741.89
  6. Step 6: Final answer
    x = 121,569.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.