Home / 81,177.26-112,095.87-51,014.84

Finding the Fourth Proportional to 81,177.26, 112,095.87 and 51,014.84

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Solution

The fourth proportional to 81,177.26, 112,095.87 and 51,014.84 is: 70,445.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,177.26 : 112,095.87 = 51,014.84 : x
  2. Step 2: Convert to fraction form
    81,177.26/112,095.87 = 51,014.84/x
  3. Step 3: Cross multiply
    81,177.26x = 112,095.87 × 51,014.84
  4. Step 4: Simplify right side
    81,177.26x = 5,718,552,872.71
  5. Step 5: Solve for x
    x = 5,718,552,872.71/81,177.26
  6. Step 6: Final answer
    x = 70,445.26

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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.