Home / 147,977.29-221,967.98-48,138

Finding the Fourth Proportional to 147,977.29, 221,967.98 and 48,138

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Solution

The fourth proportional to 147,977.29, 221,967.98 and 48,138 is: 72,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,977.29 : 221,967.98 = 48,138 : x
  2. Step 2: Convert to fraction form
    147,977.29/221,967.98 = 48,138/x
  3. Step 3: Cross multiply
    147,977.29x = 221,967.98 × 48,138
  4. Step 4: Simplify right side
    147,977.29x = 10,685,094,621.24
  5. Step 5: Solve for x
    x = 10,685,094,621.24/147,977.29
  6. Step 6: Final answer
    x = 72,207.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.