Home / 91,234.76-125,625.21-82,681.16

Finding the Fourth Proportional to 91,234.76, 125,625.21 and 82,681.16

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Solution

The fourth proportional to 91,234.76, 125,625.21 and 82,681.16 is: 113,847.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,234.76 : 125,625.21 = 82,681.16 : x
  2. Step 2: Convert to fraction form
    91,234.76/125,625.21 = 82,681.16/x
  3. Step 3: Cross multiply
    91,234.76x = 125,625.21 × 82,681.16
  4. Step 4: Simplify right side
    91,234.76x = 10,386,838,088.04
  5. Step 5: Solve for x
    x = 10,386,838,088.04/91,234.76
  6. Step 6: Final answer
    x = 113,847.38

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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.