Home / 181,712.16-272,565.12-81,801.60

Finding the Fourth Proportional to 181,712.16, 272,565.12 and 81,801.60

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Solution

The fourth proportional to 181,712.16, 272,565.12 and 81,801.60 is: 122,701.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,712.16 : 272,565.12 = 81,801.60 : x
  2. Step 2: Convert to fraction form
    181,712.16/272,565.12 = 81,801.60/x
  3. Step 3: Cross multiply
    181,712.16x = 272,565.12 × 81,801.60
  4. Step 4: Simplify right side
    181,712.16x = 22,296,262,920.19
  5. Step 5: Solve for x
    x = 22,296,262,920.19/181,712.16
  6. Step 6: Final answer
    x = 122,701.00

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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.