Home / 120,313.59-180,368.91-75,842.34

Finding the Fourth Proportional to 120,313.59, 180,368.91 and 75,842.34

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Solution

The fourth proportional to 120,313.59, 180,368.91 and 75,842.34 is: 113,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,313.59 : 180,368.91 = 75,842.34 : x
  2. Step 2: Convert to fraction form
    120,313.59/180,368.91 = 75,842.34/x
  3. Step 3: Cross multiply
    120,313.59x = 180,368.91 × 75,842.34
  4. Step 4: Simplify right side
    120,313.59x = 13,679,600,197.65
  5. Step 5: Solve for x
    x = 13,679,600,197.65/120,313.59
  6. Step 6: Final answer
    x = 113,699.54

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1.5x scale

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.