Home / 350,134.40-525,331.20-139,923.20

Finding the Fourth Proportional to 350,134.40, 525,331.20 and 139,923.20

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Solution

The fourth proportional to 350,134.40, 525,331.20 and 139,923.20 is: 209,936.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,134.40 : 525,331.20 = 139,923.20 : x
  2. Step 2: Convert to fraction form
    350,134.40/525,331.20 = 139,923.20/x
  3. Step 3: Cross multiply
    350,134.40x = 525,331.20 × 139,923.20
  4. Step 4: Simplify right side
    350,134.40x = 73,506,022,563.84
  5. Step 5: Solve for x
    x = 73,506,022,563.84/350,134.40
  6. Step 6: Final answer
    x = 209,936.59

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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.