Home / 181,967.09-272,544.39-139,534.65

Finding the Fourth Proportional to 181,967.09, 272,544.39 and 139,534.65

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Solution

The fourth proportional to 181,967.09, 272,544.39 and 139,534.65 is: 208,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,967.09 : 272,544.39 = 139,534.65 : x
  2. Step 2: Convert to fraction form
    181,967.09/272,544.39 = 139,534.65/x
  3. Step 3: Cross multiply
    181,967.09x = 272,544.39 × 139,534.65
  4. Step 4: Simplify right side
    181,967.09x = 38,029,386,068.11
  5. Step 5: Solve for x
    x = 38,029,386,068.11/181,967.09
  6. Step 6: Final answer
    x = 208,990.47

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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.