Home / 187,423.20-281,037.60-69,033.60

Finding the Fourth Proportional to 187,423.20, 281,037.60 and 69,033.60

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Solution

The fourth proportional to 187,423.20, 281,037.60 and 69,033.60 is: 103,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,423.20 : 281,037.60 = 69,033.60 : x
  2. Step 2: Convert to fraction form
    187,423.20/281,037.60 = 69,033.60/x
  3. Step 3: Cross multiply
    187,423.20x = 281,037.60 × 69,033.60
  4. Step 4: Simplify right side
    187,423.20x = 19,401,037,263.36
  5. Step 5: Solve for x
    x = 19,401,037,263.36/187,423.20
  6. Step 6: Final answer
    x = 103,514.60

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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.