Home / 131,166.28-180,571.70-125,140.69

Finding the Fourth Proportional to 131,166.28, 180,571.70 and 125,140.69

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Solution

The fourth proportional to 131,166.28, 180,571.70 and 125,140.69 is: 172,276.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,166.28 : 180,571.70 = 125,140.69 : x
  2. Step 2: Convert to fraction form
    131,166.28/180,571.70 = 125,140.69/x
  3. Step 3: Cross multiply
    131,166.28x = 180,571.70 × 125,140.69
  4. Step 4: Simplify right side
    131,166.28x = 22,596,866,993.90
  5. Step 5: Solve for x
    x = 22,596,866,993.90/131,166.28
  6. Step 6: Final answer
    x = 172,276.50

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1.5x scale

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.