Home / 190,625.70-263,095-105,770.10

Finding the Fourth Proportional to 190,625.70, 263,095 and 105,770.10

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Solution

The fourth proportional to 190,625.70, 263,095 and 105,770.10 is: 145,980.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,625.70 : 263,095 = 105,770.10 : x
  2. Step 2: Convert to fraction form
    190,625.70/263,095 = 105,770.10/x
  3. Step 3: Cross multiply
    190,625.70x = 263,095 × 105,770.10
  4. Step 4: Simplify right side
    190,625.70x = 27,827,584,459.50
  5. Step 5: Solve for x
    x = 27,827,584,459.50/190,625.70
  6. Step 6: Final answer
    x = 145,980.23

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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.