Home / 125,441.51-173,109.20-70,992.69

Finding the Fourth Proportional to 125,441.51, 173,109.20 and 70,992.69

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Solution

The fourth proportional to 125,441.51, 173,109.20 and 70,992.69 is: 97,969.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,441.51 : 173,109.20 = 70,992.69 : x
  2. Step 2: Convert to fraction form
    125,441.51/173,109.20 = 70,992.69/x
  3. Step 3: Cross multiply
    125,441.51x = 173,109.20 × 70,992.69
  4. Step 4: Simplify right side
    125,441.51x = 12,289,486,767.63
  5. Step 5: Solve for x
    x = 12,289,486,767.63/125,441.51
  6. Step 6: Final answer
    x = 97,969.86

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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.