Home / 125,814.87-173,629.28-72,110.25

Finding the Fourth Proportional to 125,814.87, 173,629.28 and 72,110.25

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Solution

The fourth proportional to 125,814.87, 173,629.28 and 72,110.25 is: 99,514.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,814.87 : 173,629.28 = 72,110.25 : x
  2. Step 2: Convert to fraction form
    125,814.87/173,629.28 = 72,110.25/x
  3. Step 3: Cross multiply
    125,814.87x = 173,629.28 × 72,110.25
  4. Step 4: Simplify right side
    125,814.87x = 12,520,450,788.12
  5. Step 5: Solve for x
    x = 12,520,450,788.12/125,814.87
  6. Step 6: Final answer
    x = 99,514.87

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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.