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Finding the Fourth Proportional to 191,470.32, 264,189.06 and 110,868.84

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Solution

The fourth proportional to 191,470.32, 264,189.06 and 110,868.84 is: 152,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,470.32 : 264,189.06 = 110,868.84 : x
  2. Step 2: Convert to fraction form
    191,470.32/264,189.06 = 110,868.84/x
  3. Step 3: Cross multiply
    191,470.32x = 264,189.06 × 110,868.84
  4. Step 4: Simplify right side
    191,470.32x = 29,290,334,622.89
  5. Step 5: Solve for x
    x = 29,290,334,622.89/191,470.32
  6. Step 6: Final answer
    x = 152,975.85

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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.