Home / 84,131.10-116,097.12-45,889.74

Finding the Fourth Proportional to 84,131.10, 116,097.12 and 45,889.74

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Solution

The fourth proportional to 84,131.10, 116,097.12 and 45,889.74 is: 63,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,131.10 : 116,097.12 = 45,889.74 : x
  2. Step 2: Convert to fraction form
    84,131.10/116,097.12 = 45,889.74/x
  3. Step 3: Cross multiply
    84,131.10x = 116,097.12 × 45,889.74
  4. Step 4: Simplify right side
    84,131.10x = 5,327,666,651.55
  5. Step 5: Solve for x
    x = 5,327,666,651.55/84,131.10
  6. Step 6: Final answer
    x = 63,325.77

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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.