Home / 134,871.56-186,210.42-120,700.04

Finding the Fourth Proportional to 134,871.56, 186,210.42 and 120,700.04

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Solution

The fourth proportional to 134,871.56, 186,210.42 and 120,700.04 is: 166,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,871.56 : 186,210.42 = 120,700.04 : x
  2. Step 2: Convert to fraction form
    134,871.56/186,210.42 = 120,700.04/x
  3. Step 3: Cross multiply
    134,871.56x = 186,210.42 × 120,700.04
  4. Step 4: Simplify right side
    134,871.56x = 22,475,605,142.42
  5. Step 5: Solve for x
    x = 22,475,605,142.42/134,871.56
  6. Step 6: Final answer
    x = 166,644.51

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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.