Home / 156,047.70-234,051.82-49,442.47

Finding the Fourth Proportional to 156,047.70, 234,051.82 and 49,442.47

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Solution

The fourth proportional to 156,047.70, 234,051.82 and 49,442.47 is: 74,157.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,047.70 : 234,051.82 = 49,442.47 : x
  2. Step 2: Convert to fraction form
    156,047.70/234,051.82 = 49,442.47/x
  3. Step 3: Cross multiply
    156,047.70x = 234,051.82 × 49,442.47
  4. Step 4: Simplify right side
    156,047.70x = 11,572,099,804.23
  5. Step 5: Solve for x
    x = 11,572,099,804.23/156,047.70
  6. Step 6: Final answer
    x = 74,157.45

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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.