Home / 350,140.15-525,279.03-125,440.03

Finding the Fourth Proportional to 350,140.15, 525,279.03 and 125,440.03

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Solution

The fourth proportional to 350,140.15, 525,279.03 and 125,440.03 is: 188,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,140.15 : 525,279.03 = 125,440.03 : x
  2. Step 2: Convert to fraction form
    350,140.15/525,279.03 = 125,440.03/x
  3. Step 3: Cross multiply
    350,140.15x = 525,279.03 × 125,440.03
  4. Step 4: Simplify right side
    350,140.15x = 65,891,017,281.57
  5. Step 5: Solve for x
    x = 65,891,017,281.57/350,140.15
  6. Step 6: Final answer
    x = 188,184.69

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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.