Home / 149,708.33-206,598.02-81,726.81

Finding the Fourth Proportional to 149,708.33, 206,598.02 and 81,726.81

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Solution

The fourth proportional to 149,708.33, 206,598.02 and 81,726.81 is: 112,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,708.33 : 206,598.02 = 81,726.81 : x
  2. Step 2: Convert to fraction form
    149,708.33/206,598.02 = 81,726.81/x
  3. Step 3: Cross multiply
    149,708.33x = 206,598.02 × 81,726.81
  4. Step 4: Simplify right side
    149,708.33x = 16,884,596,718.28
  5. Step 5: Solve for x
    x = 16,884,596,718.28/149,708.33
  6. Step 6: Final answer
    x = 112,783.29

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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.