Home / 119,758.21-165,073.58-87,441.59

Finding the Fourth Proportional to 119,758.21, 165,073.58 and 87,441.59

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Solution

The fourth proportional to 119,758.21, 165,073.58 and 87,441.59 is: 120,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,758.21 : 165,073.58 = 87,441.59 : x
  2. Step 2: Convert to fraction form
    119,758.21/165,073.58 = 87,441.59/x
  3. Step 3: Cross multiply
    119,758.21x = 165,073.58 × 87,441.59
  4. Step 4: Simplify right side
    119,758.21x = 14,434,296,302.19
  5. Step 5: Solve for x
    x = 14,434,296,302.19/119,758.21
  6. Step 6: Final answer
    x = 120,528.66

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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.