Home / 181,929.60-272,894.40-122,443.20

Finding the Fourth Proportional to 181,929.60, 272,894.40 and 122,443.20

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Solution

The fourth proportional to 181,929.60, 272,894.40 and 122,443.20 is: 183,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,929.60 : 272,894.40 = 122,443.20 : x
  2. Step 2: Convert to fraction form
    181,929.60/272,894.40 = 122,443.20/x
  3. Step 3: Cross multiply
    181,929.60x = 272,894.40 × 122,443.20
  4. Step 4: Simplify right side
    181,929.60x = 33,414,063,598.08
  5. Step 5: Solve for x
    x = 33,414,063,598.08/181,929.60
  6. Step 6: Final answer
    x = 183,664.80

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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.