Home / 116,214.17-160,268.90-77,943.02

Finding the Fourth Proportional to 116,214.17, 160,268.90 and 77,943.02

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Solution

The fourth proportional to 116,214.17, 160,268.90 and 77,943.02 is: 107,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,214.17 : 160,268.90 = 77,943.02 : x
  2. Step 2: Convert to fraction form
    116,214.17/160,268.90 = 77,943.02/x
  3. Step 3: Cross multiply
    116,214.17x = 160,268.90 × 77,943.02
  4. Step 4: Simplify right side
    116,214.17x = 12,491,840,887.02
  5. Step 5: Solve for x
    x = 12,491,840,887.02/116,214.17
  6. Step 6: Final answer
    x = 107,489.83

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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.