Home / 185,640.30-278,492.04-73,261.72

Finding the Fourth Proportional to 185,640.30, 278,492.04 and 73,261.72

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Solution

The fourth proportional to 185,640.30, 278,492.04 and 73,261.72 is: 109,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,640.30 : 278,492.04 = 73,261.72 : x
  2. Step 2: Convert to fraction form
    185,640.30/278,492.04 = 73,261.72/x
  3. Step 3: Cross multiply
    185,640.30x = 278,492.04 × 73,261.72
  4. Step 4: Simplify right side
    185,640.30x = 20,402,805,856.71
  5. Step 5: Solve for x
    x = 20,402,805,856.71/185,640.30
  6. Step 6: Final answer
    x = 109,905.05

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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.