Home / 181,939.40-272,909.10-155,367.35

Finding the Fourth Proportional to 181,939.40, 272,909.10 and 155,367.35

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Solution

The fourth proportional to 181,939.40, 272,909.10 and 155,367.35 is: 233,051.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,939.40 : 272,909.10 = 155,367.35 : x
  2. Step 2: Convert to fraction form
    181,939.40/272,909.10 = 155,367.35/x
  3. Step 3: Cross multiply
    181,939.40x = 272,909.10 × 155,367.35
  4. Step 4: Simplify right side
    181,939.40x = 42,401,163,657.89
  5. Step 5: Solve for x
    x = 42,401,163,657.89/181,939.40
  6. Step 6: Final answer
    x = 233,051.03

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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.