Home / 210,944.66-316,382.96-77,887.58

Finding the Fourth Proportional to 210,944.66, 316,382.96 and 77,887.58

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Solution

The fourth proportional to 210,944.66, 316,382.96 and 77,887.58 is: 116,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,944.66 : 316,382.96 = 77,887.58 : x
  2. Step 2: Convert to fraction form
    210,944.66/316,382.96 = 77,887.58/x
  3. Step 3: Cross multiply
    210,944.66x = 316,382.96 × 77,887.58
  4. Step 4: Simplify right side
    210,944.66x = 24,642,301,720.44
  5. Step 5: Solve for x
    x = 24,642,301,720.44/210,944.66
  6. Step 6: Final answer
    x = 116,818.80

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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.