Home / 127,084.84-175,379.66-76,099.80

Finding the Fourth Proportional to 127,084.84, 175,379.66 and 76,099.80

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Solution

The fourth proportional to 127,084.84, 175,379.66 and 76,099.80 is: 105,019.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,084.84 : 175,379.66 = 76,099.80 : x
  2. Step 2: Convert to fraction form
    127,084.84/175,379.66 = 76,099.80/x
  3. Step 3: Cross multiply
    127,084.84x = 175,379.66 × 76,099.80
  4. Step 4: Simplify right side
    127,084.84x = 13,346,357,050.07
  5. Step 5: Solve for x
    x = 13,346,357,050.07/127,084.84
  6. Step 6: Final answer
    x = 105,019.27

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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.