Home / 187,271.15-280,934.69-68,933.49

Finding the Fourth Proportional to 187,271.15, 280,934.69 and 68,933.49

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Solution

The fourth proportional to 187,271.15, 280,934.69 and 68,933.49 is: 103,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,271.15 : 280,934.69 = 68,933.49 : x
  2. Step 2: Convert to fraction form
    187,271.15/280,934.69 = 68,933.49/x
  3. Step 3: Cross multiply
    187,271.15x = 280,934.69 × 68,933.49
  4. Step 4: Simplify right side
    187,271.15x = 19,365,808,299.10
  5. Step 5: Solve for x
    x = 19,365,808,299.10/187,271.15
  6. Step 6: Final answer
    x = 103,410.53

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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.