Home / 187,824.76-281,779.08-69,493.48

Finding the Fourth Proportional to 187,824.76, 281,779.08 and 69,493.48

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Solution

The fourth proportional to 187,824.76, 281,779.08 and 69,493.48 is: 104,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,824.76 : 281,779.08 = 69,493.48 : x
  2. Step 2: Convert to fraction form
    187,824.76/281,779.08 = 69,493.48/x
  3. Step 3: Cross multiply
    187,824.76x = 281,779.08 × 69,493.48
  4. Step 4: Simplify right side
    187,824.76x = 19,581,808,860.40
  5. Step 5: Solve for x
    x = 19,581,808,860.40/187,824.76
  6. Step 6: Final answer
    x = 104,255.74

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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.