Home / 85,206.46-117,585.14-51,234.40

Finding the Fourth Proportional to 85,206.46, 117,585.14 and 51,234.40

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Solution

The fourth proportional to 85,206.46, 117,585.14 and 51,234.40 is: 70,703.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,206.46 : 117,585.14 = 51,234.40 : x
  2. Step 2: Convert to fraction form
    85,206.46/117,585.14 = 51,234.40/x
  3. Step 3: Cross multiply
    85,206.46x = 117,585.14 × 51,234.40
  4. Step 4: Simplify right side
    85,206.46x = 6,024,404,089.21
  5. Step 5: Solve for x
    x = 6,024,404,089.21/85,206.46
  6. Step 6: Final answer
    x = 70,703.61

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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.