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Finding the Fourth Proportional to 184,335.70, 276,246.50 and 139,320.10

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Solution

The fourth proportional to 184,335.70, 276,246.50 and 139,320.10 is: 208,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,335.70 : 276,246.50 = 139,320.10 : x
  2. Step 2: Convert to fraction form
    184,335.70/276,246.50 = 139,320.10/x
  3. Step 3: Cross multiply
    184,335.70x = 276,246.50 × 139,320.10
  4. Step 4: Simplify right side
    184,335.70x = 38,486,690,437.03
  5. Step 5: Solve for x
    x = 38,486,690,437.03/184,335.70
  6. Step 6: Final answer
    x = 208,785.88

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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.