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Finding the Fourth Proportional to 159,802.10, 220,527.54 and 88,184.19

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Solution

The fourth proportional to 159,802.10, 220,527.54 and 88,184.19 is: 121,694.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,802.10 : 220,527.54 = 88,184.19 : x
  2. Step 2: Convert to fraction form
    159,802.10/220,527.54 = 88,184.19/x
  3. Step 3: Cross multiply
    159,802.10x = 220,527.54 × 88,184.19
  4. Step 4: Simplify right side
    159,802.10x = 19,447,042,487.59
  5. Step 5: Solve for x
    x = 19,447,042,487.59/159,802.10
  6. Step 6: Final answer
    x = 121,694.54

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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.