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Finding the Fourth Proportional to 181,762, 272,623.52 and 63,435.60

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Solution

The fourth proportional to 181,762, 272,623.52 and 63,435.60 is: 95,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,762 : 272,623.52 = 63,435.60 : x
  2. Step 2: Convert to fraction form
    181,762/272,623.52 = 63,435.60/x
  3. Step 3: Cross multiply
    181,762x = 272,623.52 × 63,435.60
  4. Step 4: Simplify right side
    181,762x = 17,294,036,565.31
  5. Step 5: Solve for x
    x = 17,294,036,565.31/181,762
  6. Step 6: Final answer
    x = 95,146.60

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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.