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Finding the Fourth Proportional to 84,171.80, 116,156.76 and 46,446.32

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Solution

The fourth proportional to 84,171.80, 116,156.76 and 46,446.32 is: 64,095.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,171.80 : 116,156.76 = 46,446.32 : x
  2. Step 2: Convert to fraction form
    84,171.80/116,156.76 = 46,446.32/x
  3. Step 3: Cross multiply
    84,171.80x = 116,156.76 × 46,446.32
  4. Step 4: Simplify right side
    84,171.80x = 5,395,054,045.12
  5. Step 5: Solve for x
    x = 5,395,054,045.12/84,171.80
  6. Step 6: Final answer
    x = 64,095.74

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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.