Home / 125,457.39-173,131.83-71,744.67

Finding the Fourth Proportional to 125,457.39, 173,131.83 and 71,744.67

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Solution

The fourth proportional to 125,457.39, 173,131.83 and 71,744.67 is: 99,008.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,457.39 : 173,131.83 = 71,744.67 : x
  2. Step 2: Convert to fraction form
    125,457.39/173,131.83 = 71,744.67/x
  3. Step 3: Cross multiply
    125,457.39x = 173,131.83 × 71,744.67
  4. Step 4: Simplify right side
    125,457.39x = 12,421,286,009.85
  5. Step 5: Solve for x
    x = 12,421,286,009.85/125,457.39
  6. Step 6: Final answer
    x = 99,008.01

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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.