Home / 119,314.12-178,809.90-52,742.92

Finding the Fourth Proportional to 119,314.12, 178,809.90 and 52,742.92

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Solution

The fourth proportional to 119,314.12, 178,809.90 and 52,742.92 is: 79,043.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,314.12 : 178,809.90 = 52,742.92 : x
  2. Step 2: Convert to fraction form
    119,314.12/178,809.90 = 52,742.92/x
  3. Step 3: Cross multiply
    119,314.12x = 178,809.90 × 52,742.92
  4. Step 4: Simplify right side
    119,314.12x = 9,430,956,250.91
  5. Step 5: Solve for x
    x = 9,430,956,250.91/119,314.12
  6. Step 6: Final answer
    x = 79,043.09

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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.