Home / 147,825.81-203,759.96-115,503.91

Finding the Fourth Proportional to 147,825.81, 203,759.96 and 115,503.91

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Solution

The fourth proportional to 147,825.81, 203,759.96 and 115,503.91 is: 159,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,825.81 : 203,759.96 = 115,503.91 : x
  2. Step 2: Convert to fraction form
    147,825.81/203,759.96 = 115,503.91/x
  3. Step 3: Cross multiply
    147,825.81x = 203,759.96 × 115,503.91
  4. Step 4: Simplify right side
    147,825.81x = 23,535,070,994.52
  5. Step 5: Solve for x
    x = 23,535,070,994.52/147,825.81
  6. Step 6: Final answer
    x = 159,208.13

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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.