Home / 147,895.64-221,676.88-72,856.80

Finding the Fourth Proportional to 147,895.64, 221,676.88 and 72,856.80

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Solution

The fourth proportional to 147,895.64, 221,676.88 and 72,856.80 is: 109,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,895.64 : 221,676.88 = 72,856.80 : x
  2. Step 2: Convert to fraction form
    147,895.64/221,676.88 = 72,856.80/x
  3. Step 3: Cross multiply
    147,895.64x = 221,676.88 × 72,856.80
  4. Step 4: Simplify right side
    147,895.64x = 16,150,668,110.78
  5. Step 5: Solve for x
    x = 16,150,668,110.78/147,895.64
  6. Step 6: Final answer
    x = 109,203.14

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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.