Home / 147,308.19-203,286.69-83,647.32

Finding the Fourth Proportional to 147,308.19, 203,286.69 and 83,647.32

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Solution

The fourth proportional to 147,308.19, 203,286.69 and 83,647.32 is: 115,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,308.19 : 203,286.69 = 83,647.32 : x
  2. Step 2: Convert to fraction form
    147,308.19/203,286.69 = 83,647.32/x
  3. Step 3: Cross multiply
    147,308.19x = 203,286.69 × 83,647.32
  4. Step 4: Simplify right side
    147,308.19x = 17,004,386,810.17
  5. Step 5: Solve for x
    x = 17,004,386,810.17/147,308.19
  6. Step 6: Final answer
    x = 115,434.09

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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.