Home / 181,392.60-272,132.10-76,157.40

Finding the Fourth Proportional to 181,392.60, 272,132.10 and 76,157.40

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Solution

The fourth proportional to 181,392.60, 272,132.10 and 76,157.40 is: 114,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,392.60 : 272,132.10 = 76,157.40 : x
  2. Step 2: Convert to fraction form
    181,392.60/272,132.10 = 76,157.40/x
  3. Step 3: Cross multiply
    181,392.60x = 272,132.10 × 76,157.40
  4. Step 4: Simplify right side
    181,392.60x = 20,724,873,192.54
  5. Step 5: Solve for x
    x = 20,724,873,192.54/181,392.60
  6. Step 6: Final answer
    x = 114,254.24

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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.