Home / 151,004.47-208,386.58-83,028.39

Finding the Fourth Proportional to 151,004.47, 208,386.58 and 83,028.39

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Solution

The fourth proportional to 151,004.47, 208,386.58 and 83,028.39 is: 114,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,004.47 : 208,386.58 = 83,028.39 : x
  2. Step 2: Convert to fraction form
    151,004.47/208,386.58 = 83,028.39/x
  3. Step 3: Cross multiply
    151,004.47x = 208,386.58 × 83,028.39
  4. Step 4: Simplify right side
    151,004.47x = 17,302,001,506.47
  5. Step 5: Solve for x
    x = 17,302,001,506.47/151,004.47
  6. Step 6: Final answer
    x = 114,579.40

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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.