Home / 190,379.39-285,532.15-72,059.96

Finding the Fourth Proportional to 190,379.39, 285,532.15 and 72,059.96

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Solution

The fourth proportional to 190,379.39, 285,532.15 and 72,059.96 is: 108,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,379.39 : 285,532.15 = 72,059.96 : x
  2. Step 2: Convert to fraction form
    190,379.39/285,532.15 = 72,059.96/x
  3. Step 3: Cross multiply
    190,379.39x = 285,532.15 × 72,059.96
  4. Step 4: Simplify right side
    190,379.39x = 20,575,435,307.71
  5. Step 5: Solve for x
    x = 20,575,435,307.71/190,379.39
  6. Step 6: Final answer
    x = 108,075.96

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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.