Home / 189,759.08-261,988.30-118,244.18

Finding the Fourth Proportional to 189,759.08, 261,988.30 and 118,244.18

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Solution

The fourth proportional to 189,759.08, 261,988.30 and 118,244.18 is: 163,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,759.08 : 261,988.30 = 118,244.18 : x
  2. Step 2: Convert to fraction form
    189,759.08/261,988.30 = 118,244.18/x
  3. Step 3: Cross multiply
    189,759.08x = 261,988.30 × 118,244.18
  4. Step 4: Simplify right side
    189,759.08x = 30,978,591,703.09
  5. Step 5: Solve for x
    x = 30,978,591,703.09/189,759.08
  6. Step 6: Final answer
    x = 163,252.22

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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.