Home / 98,411.49-146,849.37-87,808.59

Finding the Fourth Proportional to 98,411.49, 146,849.37 and 87,808.59

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Solution

The fourth proportional to 98,411.49, 146,849.37 and 87,808.59 is: 131,027.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,411.49 : 146,849.37 = 87,808.59 : x
  2. Step 2: Convert to fraction form
    98,411.49/146,849.37 = 87,808.59/x
  3. Step 3: Cross multiply
    98,411.49x = 146,849.37 × 87,808.59
  4. Step 4: Simplify right side
    98,411.49x = 12,894,636,122.09
  5. Step 5: Solve for x
    x = 12,894,636,122.09/98,411.49
  6. Step 6: Final answer
    x = 131,027.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.