Home / 125,150.66-172,682.03-71,453.15

Finding the Fourth Proportional to 125,150.66, 172,682.03 and 71,453.15

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Solution

The fourth proportional to 125,150.66, 172,682.03 and 71,453.15 is: 98,590.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,150.66 : 172,682.03 = 71,453.15 : x
  2. Step 2: Convert to fraction form
    125,150.66/172,682.03 = 71,453.15/x
  3. Step 3: Cross multiply
    125,150.66x = 172,682.03 × 71,453.15
  4. Step 4: Simplify right side
    125,150.66x = 12,338,674,634.63
  5. Step 5: Solve for x
    x = 12,338,674,634.63/125,150.66
  6. Step 6: Final answer
    x = 98,590.57

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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.