Home / 181,420.55-272,095.29-172,419.02

Finding the Fourth Proportional to 181,420.55, 272,095.29 and 172,419.02

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Solution

The fourth proportional to 181,420.55, 272,095.29 and 172,419.02 is: 258,594.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,420.55 : 272,095.29 = 172,419.02 : x
  2. Step 2: Convert to fraction form
    181,420.55/272,095.29 = 172,419.02/x
  3. Step 3: Cross multiply
    181,420.55x = 272,095.29 × 172,419.02
  4. Step 4: Simplify right side
    181,420.55x = 46,914,403,928.65
  5. Step 5: Solve for x
    x = 46,914,403,928.65/181,420.55
  6. Step 6: Final answer
    x = 258,594.76

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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.