Home / 154,274.58-231,440.76-70,040.64

Finding the Fourth Proportional to 154,274.58, 231,440.76 and 70,040.64

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Solution

The fourth proportional to 154,274.58, 231,440.76 and 70,040.64 is: 105,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,274.58 : 231,440.76 = 70,040.64 : x
  2. Step 2: Convert to fraction form
    154,274.58/231,440.76 = 70,040.64/x
  3. Step 3: Cross multiply
    154,274.58x = 231,440.76 × 70,040.64
  4. Step 4: Simplify right side
    154,274.58x = 16,210,258,952.49
  5. Step 5: Solve for x
    x = 16,210,258,952.49/154,274.58
  6. Step 6: Final answer
    x = 105,074.08

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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.