Home / 200,037.45-275,967.95-131,143.46

Finding the Fourth Proportional to 200,037.45, 275,967.95 and 131,143.46

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Solution

The fourth proportional to 200,037.45, 275,967.95 and 131,143.46 is: 180,923.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,037.45 : 275,967.95 = 131,143.46 : x
  2. Step 2: Convert to fraction form
    200,037.45/275,967.95 = 131,143.46/x
  3. Step 3: Cross multiply
    200,037.45x = 275,967.95 × 131,143.46
  4. Step 4: Simplify right side
    200,037.45x = 36,191,390,883.07
  5. Step 5: Solve for x
    x = 36,191,390,883.07/200,037.45
  6. Step 6: Final answer
    x = 180,923.07

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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.