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Finding the Fourth Proportional to 134,012.92, 184,924.72 and 77,423.08

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Solution

The fourth proportional to 134,012.92, 184,924.72 and 77,423.08 is: 106,836.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,012.92 : 184,924.72 = 77,423.08 : x
  2. Step 2: Convert to fraction form
    134,012.92/184,924.72 = 77,423.08/x
  3. Step 3: Cross multiply
    134,012.92x = 184,924.72 × 77,423.08
  4. Step 4: Simplify right side
    134,012.92x = 14,317,441,390.54
  5. Step 5: Solve for x
    x = 14,317,441,390.54/134,012.92
  6. Step 6: Final answer
    x = 106,836.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.