Home / 154,261.94-231,421.86-70,028.01

Finding the Fourth Proportional to 154,261.94, 231,421.86 and 70,028.01

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Solution

The fourth proportional to 154,261.94, 231,421.86 and 70,028.01 is: 105,055.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,261.94 : 231,421.86 = 70,028.01 : x
  2. Step 2: Convert to fraction form
    154,261.94/231,421.86 = 70,028.01/x
  3. Step 3: Cross multiply
    154,261.94x = 231,421.86 × 70,028.01
  4. Step 4: Simplify right side
    154,261.94x = 16,206,012,326.30
  5. Step 5: Solve for x
    x = 16,206,012,326.30/154,261.94
  6. Step 6: Final answer
    x = 105,055.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.