Home / 191,621.48-264,445.82-106,738.60

Finding the Fourth Proportional to 191,621.48, 264,445.82 and 106,738.60

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Solution

The fourth proportional to 191,621.48, 264,445.82 and 106,738.60 is: 147,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,621.48 : 264,445.82 = 106,738.60 : x
  2. Step 2: Convert to fraction form
    191,621.48/264,445.82 = 106,738.60/x
  3. Step 3: Cross multiply
    191,621.48x = 264,445.82 × 106,738.60
  4. Step 4: Simplify right side
    191,621.48x = 28,226,576,602.65
  5. Step 5: Solve for x
    x = 28,226,576,602.65/191,621.48
  6. Step 6: Final answer
    x = 147,303.82

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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.