Home / 141,009.60-211,533.84-81,873.12

Finding the Fourth Proportional to 141,009.60, 211,533.84 and 81,873.12

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Solution

The fourth proportional to 141,009.60, 211,533.84 and 81,873.12 is: 122,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,009.60 : 211,533.84 = 81,873.12 : x
  2. Step 2: Convert to fraction form
    141,009.60/211,533.84 = 81,873.12/x
  3. Step 3: Cross multiply
    141,009.60x = 211,533.84 × 81,873.12
  4. Step 4: Simplify right side
    141,009.60x = 17,318,935,466.38
  5. Step 5: Solve for x
    x = 17,318,935,466.38/141,009.60
  6. Step 6: Final answer
    x = 122,820.97

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1.5x scale

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.