Home / 145,297.47-200,599.97-115,204.35

Finding the Fourth Proportional to 145,297.47, 200,599.97 and 115,204.35

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Solution

The fourth proportional to 145,297.47, 200,599.97 and 115,204.35 is: 159,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,297.47 : 200,599.97 = 115,204.35 : x
  2. Step 2: Convert to fraction form
    145,297.47/200,599.97 = 115,204.35/x
  3. Step 3: Cross multiply
    145,297.47x = 200,599.97 × 115,204.35
  4. Step 4: Simplify right side
    145,297.47x = 23,109,988,577.85
  5. Step 5: Solve for x
    x = 23,109,988,577.85/145,297.47
  6. Step 6: Final answer
    x = 159,052.93

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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.