Home / 134,937.19-186,215.63-87,273.58

Finding the Fourth Proportional to 134,937.19, 186,215.63 and 87,273.58

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Solution

The fourth proportional to 134,937.19, 186,215.63 and 87,273.58 is: 120,439.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,937.19 : 186,215.63 = 87,273.58 : x
  2. Step 2: Convert to fraction form
    134,937.19/186,215.63 = 87,273.58/x
  3. Step 3: Cross multiply
    134,937.19x = 186,215.63 × 87,273.58
  4. Step 4: Simplify right side
    134,937.19x = 16,251,704,682.06
  5. Step 5: Solve for x
    x = 16,251,704,682.06/134,937.19
  6. Step 6: Final answer
    x = 120,439.03

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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.