Home / 130,084.23-194,986.36-85,088.64

Finding the Fourth Proportional to 130,084.23, 194,986.36 and 85,088.64

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Solution

The fourth proportional to 130,084.23, 194,986.36 and 85,088.64 is: 127,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,084.23 : 194,986.36 = 85,088.64 : x
  2. Step 2: Convert to fraction form
    130,084.23/194,986.36 = 85,088.64/x
  3. Step 3: Cross multiply
    130,084.23x = 194,986.36 × 85,088.64
  4. Step 4: Simplify right side
    130,084.23x = 16,591,124,190.95
  5. Step 5: Solve for x
    x = 16,591,124,190.95/130,084.23
  6. Step 6: Final answer
    x = 127,541.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.