Home / 145,499.64-200,773.24-81,836.07

Finding the Fourth Proportional to 145,499.64, 200,773.24 and 81,836.07

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Solution

The fourth proportional to 145,499.64, 200,773.24 and 81,836.07 is: 112,924.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,499.64 : 200,773.24 = 81,836.07 : x
  2. Step 2: Convert to fraction form
    145,499.64/200,773.24 = 81,836.07/x
  3. Step 3: Cross multiply
    145,499.64x = 200,773.24 × 81,836.07
  4. Step 4: Simplify right side
    145,499.64x = 16,430,492,922.77
  5. Step 5: Solve for x
    x = 16,430,492,922.77/145,499.64
  6. Step 6: Final answer
    x = 112,924.63

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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.