Home / 187,012.16-279,861.60-161,030.24

Finding the Fourth Proportional to 187,012.16, 279,861.60 and 161,030.24

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Solution

The fourth proportional to 187,012.16, 279,861.60 and 161,030.24 is: 240,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,012.16 : 279,861.60 = 161,030.24 : x
  2. Step 2: Convert to fraction form
    187,012.16/279,861.60 = 161,030.24/x
  3. Step 3: Cross multiply
    187,012.16x = 279,861.60 × 161,030.24
  4. Step 4: Simplify right side
    187,012.16x = 45,066,180,614.78
  5. Step 5: Solve for x
    x = 45,066,180,614.78/187,012.16
  6. Step 6: Final answer
    x = 240,979.95

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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.