Home / 181,569.03-250,541.42-100,980.51

Finding the Fourth Proportional to 181,569.03, 250,541.42 and 100,980.51

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Solution

The fourth proportional to 181,569.03, 250,541.42 and 100,980.51 is: 139,339.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,569.03 : 250,541.42 = 100,980.51 : x
  2. Step 2: Convert to fraction form
    181,569.03/250,541.42 = 100,980.51/x
  3. Step 3: Cross multiply
    181,569.03x = 250,541.42 × 100,980.51
  4. Step 4: Simplify right side
    181,569.03x = 25,299,799,862.82
  5. Step 5: Solve for x
    x = 25,299,799,862.82/181,569.03
  6. Step 6: Final answer
    x = 139,339.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.