Home / 154,259.30-231,343.56-69,970.70

Finding the Fourth Proportional to 154,259.30, 231,343.56 and 69,970.70

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Solution

The fourth proportional to 154,259.30, 231,343.56 and 69,970.70 is: 104,935.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,259.30 : 231,343.56 = 69,970.70 : x
  2. Step 2: Convert to fraction form
    154,259.30/231,343.56 = 69,970.70/x
  3. Step 3: Cross multiply
    154,259.30x = 231,343.56 × 69,970.70
  4. Step 4: Simplify right side
    154,259.30x = 16,187,270,833.69
  5. Step 5: Solve for x
    x = 16,187,270,833.69/154,259.30
  6. Step 6: Final answer
    x = 104,935.46

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1.5x scale

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.