Home / 350,131.20-525,196.80-100,838.40

Finding the Fourth Proportional to 350,131.20, 525,196.80 and 100,838.40

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Solution

The fourth proportional to 350,131.20, 525,196.80 and 100,838.40 is: 151,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,131.20 : 525,196.80 = 100,838.40 : x
  2. Step 2: Convert to fraction form
    350,131.20/525,196.80 = 100,838.40/x
  3. Step 3: Cross multiply
    350,131.20x = 525,196.80 × 100,838.40
  4. Step 4: Simplify right side
    350,131.20x = 52,960,004,997.12
  5. Step 5: Solve for x
    x = 52,960,004,997.12/350,131.20
  6. Step 6: Final answer
    x = 151,257.60

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1.5x scale

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.