Home / 141,325.70-211,988.55-125,579.30

Finding the Fourth Proportional to 141,325.70, 211,988.55 and 125,579.30

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Solution

The fourth proportional to 141,325.70, 211,988.55 and 125,579.30 is: 188,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,325.70 : 211,988.55 = 125,579.30 : x
  2. Step 2: Convert to fraction form
    141,325.70/211,988.55 = 125,579.30/x
  3. Step 3: Cross multiply
    141,325.70x = 211,988.55 × 125,579.30
  4. Step 4: Simplify right side
    141,325.70x = 26,621,373,717.02
  5. Step 5: Solve for x
    x = 26,621,373,717.02/141,325.70
  6. Step 6: Final answer
    x = 188,368.95

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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.