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Finding the Fourth Proportional to 191,907.58, 264,833.64 and 107,030.10

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Solution

The fourth proportional to 191,907.58, 264,833.64 and 107,030.10 is: 147,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,907.58 : 264,833.64 = 107,030.10 : x
  2. Step 2: Convert to fraction form
    191,907.58/264,833.64 = 107,030.10/x
  3. Step 3: Cross multiply
    191,907.58x = 264,833.64 × 107,030.10
  4. Step 4: Simplify right side
    191,907.58x = 28,345,170,972.56
  5. Step 5: Solve for x
    x = 28,345,170,972.56/191,907.58
  6. Step 6: Final answer
    x = 147,702.20

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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.