Home / 147,977.04-221,967.61-48,137.76

Finding the Fourth Proportional to 147,977.04, 221,967.61 and 48,137.76

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Solution

The fourth proportional to 147,977.04, 221,967.61 and 48,137.76 is: 72,207.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,977.04 : 221,967.61 = 48,137.76 : x
  2. Step 2: Convert to fraction form
    147,977.04/221,967.61 = 48,137.76/x
  3. Step 3: Cross multiply
    147,977.04x = 221,967.61 × 48,137.76
  4. Step 4: Simplify right side
    147,977.04x = 10,685,023,537.95
  5. Step 5: Solve for x
    x = 10,685,023,537.95/147,977.04
  6. Step 6: Final answer
    x = 72,207.31

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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.