Home / 84,714.16-127,141.20-42,606.24

Finding the Fourth Proportional to 84,714.16, 127,141.20 and 42,606.24

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Solution

The fourth proportional to 84,714.16, 127,141.20 and 42,606.24 is: 63,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,714.16 : 127,141.20 = 42,606.24 : x
  2. Step 2: Convert to fraction form
    84,714.16/127,141.20 = 42,606.24/x
  3. Step 3: Cross multiply
    84,714.16x = 127,141.20 × 42,606.24
  4. Step 4: Simplify right side
    84,714.16x = 5,417,008,481.09
  5. Step 5: Solve for x
    x = 5,417,008,481.09/84,714.16
  6. Step 6: Final answer
    x = 63,944.55

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1.5x scale

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.