Home / 117,766.40-162,663.48-85,449.16

Finding the Fourth Proportional to 117,766.40, 162,663.48 and 85,449.16

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Solution

The fourth proportional to 117,766.40, 162,663.48 and 85,449.16 is: 118,025.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,766.40 : 162,663.48 = 85,449.16 : x
  2. Step 2: Convert to fraction form
    117,766.40/162,663.48 = 85,449.16/x
  3. Step 3: Cross multiply
    117,766.40x = 162,663.48 × 85,449.16
  4. Step 4: Simplify right side
    117,766.40x = 13,899,457,728.68
  5. Step 5: Solve for x
    x = 13,899,457,728.68/117,766.40
  6. Step 6: Final answer
    x = 118,025.67

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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.