Home / 181,987.40-272,981.10-163,616.60

Finding the Fourth Proportional to 181,987.40, 272,981.10 and 163,616.60

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Solution

The fourth proportional to 181,987.40, 272,981.10 and 163,616.60 is: 245,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,987.40 : 272,981.10 = 163,616.60 : x
  2. Step 2: Convert to fraction form
    181,987.40/272,981.10 = 163,616.60/x
  3. Step 3: Cross multiply
    181,987.40x = 272,981.10 × 163,616.60
  4. Step 4: Simplify right side
    181,987.40x = 44,664,239,446.26
  5. Step 5: Solve for x
    x = 44,664,239,446.26/181,987.40
  6. Step 6: Final answer
    x = 245,424.90

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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.