Home / 187,638.12-281,457.75-45,482.83

Finding the Fourth Proportional to 187,638.12, 281,457.75 and 45,482.83

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Solution

The fourth proportional to 187,638.12, 281,457.75 and 45,482.83 is: 68,224.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,638.12 : 281,457.75 = 45,482.83 : x
  2. Step 2: Convert to fraction form
    187,638.12/281,457.75 = 45,482.83/x
  3. Step 3: Cross multiply
    187,638.12x = 281,457.75 × 45,482.83
  4. Step 4: Simplify right side
    187,638.12x = 12,801,494,995.43
  5. Step 5: Solve for x
    x = 12,801,494,995.43/187,638.12
  6. Step 6: Final answer
    x = 68,224.38

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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.