Home / 85,497.64-128,246.46-23,166.52

Finding the Fourth Proportional to 85,497.64, 128,246.46 and 23,166.52

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Solution

The fourth proportional to 85,497.64, 128,246.46 and 23,166.52 is: 34,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,497.64 : 128,246.46 = 23,166.52 : x
  2. Step 2: Convert to fraction form
    85,497.64/128,246.46 = 23,166.52/x
  3. Step 3: Cross multiply
    85,497.64x = 128,246.46 × 23,166.52
  4. Step 4: Simplify right side
    85,497.64x = 2,971,024,180.52
  5. Step 5: Solve for x
    x = 2,971,024,180.52/85,497.64
  6. Step 6: Final answer
    x = 34,749.78

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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.