Home / 187,245.06-280,861.44-74,895.12

Finding the Fourth Proportional to 187,245.06, 280,861.44 and 74,895.12

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Solution

The fourth proportional to 187,245.06, 280,861.44 and 74,895.12 is: 112,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,245.06 : 280,861.44 = 74,895.12 : x
  2. Step 2: Convert to fraction form
    187,245.06/280,861.44 = 74,895.12/x
  3. Step 3: Cross multiply
    187,245.06x = 280,861.44 × 74,895.12
  4. Step 4: Simplify right side
    187,245.06x = 21,035,151,252.17
  5. Step 5: Solve for x
    x = 21,035,151,252.17/187,245.06
  6. Step 6: Final answer
    x = 112,340.22

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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.