Home / 179,894-248,247.20-99,319.76

Finding the Fourth Proportional to 179,894, 248,247.20 and 99,319.76

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Solution

The fourth proportional to 179,894, 248,247.20 and 99,319.76 is: 137,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,894 : 248,247.20 = 99,319.76 : x
  2. Step 2: Convert to fraction form
    179,894/248,247.20 = 99,319.76/x
  3. Step 3: Cross multiply
    179,894x = 248,247.20 × 99,319.76
  4. Step 4: Simplify right side
    179,894x = 24,655,852,324.67
  5. Step 5: Solve for x
    x = 24,655,852,324.67/179,894
  6. Step 6: Final answer
    x = 137,057.67

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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.