Home / 187,814.61-259,191.23-107,242.83

Finding the Fourth Proportional to 187,814.61, 259,191.23 and 107,242.83

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Solution

The fourth proportional to 187,814.61, 259,191.23 and 107,242.83 is: 147,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,814.61 : 259,191.23 = 107,242.83 : x
  2. Step 2: Convert to fraction form
    187,814.61/259,191.23 = 107,242.83/x
  3. Step 3: Cross multiply
    187,814.61x = 259,191.23 × 107,242.83
  4. Step 4: Simplify right side
    187,814.61x = 27,796,400,480.17
  5. Step 5: Solve for x
    x = 27,796,400,480.17/187,814.61
  6. Step 6: Final answer
    x = 147,999.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.