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Finding the Fourth Proportional to 159,420.84, 220,010.00 and 91,437.33

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Solution

The fourth proportional to 159,420.84, 220,010.00 and 91,437.33 is: 126,188.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,420.84 : 220,010.00 = 91,437.33 : x
  2. Step 2: Convert to fraction form
    159,420.84/220,010.00 = 91,437.33/x
  3. Step 3: Cross multiply
    159,420.84x = 220,010.00 × 91,437.33
  4. Step 4: Simplify right side
    159,420.84x = 20,117,126,516.11
  5. Step 5: Solve for x
    x = 20,117,126,516.11/159,420.84
  6. Step 6: Final answer
    x = 126,188.81

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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.