Home / 134,800.05-186,083.73-87,076.65

Finding the Fourth Proportional to 134,800.05, 186,083.73 and 87,076.65

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Solution

The fourth proportional to 134,800.05, 186,083.73 and 87,076.65 is: 120,204.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,800.05 : 186,083.73 = 87,076.65 : x
  2. Step 2: Convert to fraction form
    134,800.05/186,083.73 = 87,076.65/x
  3. Step 3: Cross multiply
    134,800.05x = 186,083.73 × 87,076.65
  4. Step 4: Simplify right side
    134,800.05x = 16,203,547,827.90
  5. Step 5: Solve for x
    x = 16,203,547,827.90/134,800.05
  6. Step 6: Final answer
    x = 120,204.32

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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.