Home / 151,138.39-208,429.38-93,787.01

Finding the Fourth Proportional to 151,138.39, 208,429.38 and 93,787.01

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Solution

The fourth proportional to 151,138.39, 208,429.38 and 93,787.01 is: 129,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,138.39 : 208,429.38 = 93,787.01 : x
  2. Step 2: Convert to fraction form
    151,138.39/208,429.38 = 93,787.01/x
  3. Step 3: Cross multiply
    151,138.39x = 208,429.38 × 93,787.01
  4. Step 4: Simplify right side
    151,138.39x = 19,547,968,346.35
  5. Step 5: Solve for x
    x = 19,547,968,346.35/151,138.39
  6. Step 6: Final answer
    x = 129,338.21

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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.