Home / 181,828.80-272,809-93,124.08

Finding the Fourth Proportional to 181,828.80, 272,809 and 93,124.08

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Solution

The fourth proportional to 181,828.80, 272,809 and 93,124.08 is: 139,719.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,828.80 : 272,809 = 93,124.08 : x
  2. Step 2: Convert to fraction form
    181,828.80/272,809 = 93,124.08/x
  3. Step 3: Cross multiply
    181,828.80x = 272,809 × 93,124.08
  4. Step 4: Simplify right side
    181,828.80x = 25,405,087,140.72
  5. Step 5: Solve for x
    x = 25,405,087,140.72/181,828.80
  6. Step 6: Final answer
    x = 139,719.82

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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.