Home / 134,840.24-186,079.40-74,410.88

Finding the Fourth Proportional to 134,840.24, 186,079.40 and 74,410.88

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Solution

The fourth proportional to 134,840.24, 186,079.40 and 74,410.88 is: 102,686.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,840.24 : 186,079.40 = 74,410.88 : x
  2. Step 2: Convert to fraction form
    134,840.24/186,079.40 = 74,410.88/x
  3. Step 3: Cross multiply
    134,840.24x = 186,079.40 × 74,410.88
  4. Step 4: Simplify right side
    134,840.24x = 13,846,331,903.87
  5. Step 5: Solve for x
    x = 13,846,331,903.87/134,840.24
  6. Step 6: Final answer
    x = 102,686.94

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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.