Home / 187,103.28-280,621.08-53,950.80

Finding the Fourth Proportional to 187,103.28, 280,621.08 and 53,950.80

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Solution

The fourth proportional to 187,103.28, 280,621.08 and 53,950.80 is: 80,916.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,103.28 : 280,621.08 = 53,950.80 : x
  2. Step 2: Convert to fraction form
    187,103.28/280,621.08 = 53,950.80/x
  3. Step 3: Cross multiply
    187,103.28x = 280,621.08 × 53,950.80
  4. Step 4: Simplify right side
    187,103.28x = 15,139,731,762.86
  5. Step 5: Solve for x
    x = 15,139,731,762.86/187,103.28
  6. Step 6: Final answer
    x = 80,916.44

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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.