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Finding the Fourth Proportional to 159,673.15, 220,350.45 and 88,051.33

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Solution

The fourth proportional to 159,673.15, 220,350.45 and 88,051.33 is: 121,511.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,673.15 : 220,350.45 = 88,051.33 : x
  2. Step 2: Convert to fraction form
    159,673.15/220,350.45 = 88,051.33/x
  3. Step 3: Cross multiply
    159,673.15x = 220,350.45 × 88,051.33
  4. Step 4: Simplify right side
    159,673.15x = 19,402,150,188.60
  5. Step 5: Solve for x
    x = 19,402,150,188.60/159,673.15
  6. Step 6: Final answer
    x = 121,511.66

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1.5x scale

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.