Home / 147,979.30-221,970.98-48,140

Finding the Fourth Proportional to 147,979.30, 221,970.98 and 48,140

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Solution

The fourth proportional to 147,979.30, 221,970.98 and 48,140 is: 72,210.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,979.30 : 221,970.98 = 48,140 : x
  2. Step 2: Convert to fraction form
    147,979.30/221,970.98 = 48,140/x
  3. Step 3: Cross multiply
    147,979.30x = 221,970.98 × 48,140
  4. Step 4: Simplify right side
    147,979.30x = 10,685,682,977.20
  5. Step 5: Solve for x
    x = 10,685,682,977.20/147,979.30
  6. Step 6: Final answer
    x = 72,210.66

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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.