Home / 147,569.02-203,645.27-83,910.71

Finding the Fourth Proportional to 147,569.02, 203,645.27 and 83,910.71

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Solution

The fourth proportional to 147,569.02, 203,645.27 and 83,910.71 is: 115,796.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,569.02 : 203,645.27 = 83,910.71 : x
  2. Step 2: Convert to fraction form
    147,569.02/203,645.27 = 83,910.71/x
  3. Step 3: Cross multiply
    147,569.02x = 203,645.27 × 83,910.71
  4. Step 4: Simplify right side
    147,569.02x = 17,088,019,193.84
  5. Step 5: Solve for x
    x = 17,088,019,193.84/147,569.02
  6. Step 6: Final answer
    x = 115,796.79

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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.