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Finding the Fourth Proportional to 191,884.83, 264,848.52 and 130,732.21

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Solution

The fourth proportional to 191,884.83, 264,848.52 and 130,732.21 is: 180,442.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,884.83 : 264,848.52 = 130,732.21 : x
  2. Step 2: Convert to fraction form
    191,884.83/264,848.52 = 130,732.21/x
  3. Step 3: Cross multiply
    191,884.83x = 264,848.52 × 130,732.21
  4. Step 4: Simplify right side
    191,884.83x = 34,624,232,334.83
  5. Step 5: Solve for x
    x = 34,624,232,334.83/191,884.83
  6. Step 6: Final answer
    x = 180,442.78

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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.