Home / 81,176.76-112,095.18-51,014.34

Finding the Fourth Proportional to 81,176.76, 112,095.18 and 51,014.34

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Solution

The fourth proportional to 81,176.76, 112,095.18 and 51,014.34 is: 70,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,176.76 : 112,095.18 = 51,014.34 : x
  2. Step 2: Convert to fraction form
    81,176.76/112,095.18 = 51,014.34/x
  3. Step 3: Cross multiply
    81,176.76x = 112,095.18 × 51,014.34
  4. Step 4: Simplify right side
    81,176.76x = 5,718,461,624.88
  5. Step 5: Solve for x
    x = 5,718,461,624.88/81,176.76
  6. Step 6: Final answer
    x = 70,444.57

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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.