Home / 154,439.40-231,659.10-152,106.60

Finding the Fourth Proportional to 154,439.40, 231,659.10 and 152,106.60

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Solution

The fourth proportional to 154,439.40, 231,659.10 and 152,106.60 is: 228,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,439.40 : 231,659.10 = 152,106.60 : x
  2. Step 2: Convert to fraction form
    154,439.40/231,659.10 = 152,106.60/x
  3. Step 3: Cross multiply
    154,439.40x = 231,659.10 × 152,106.60
  4. Step 4: Simplify right side
    154,439.40x = 35,236,878,060.06
  5. Step 5: Solve for x
    x = 35,236,878,060.06/154,439.40
  6. Step 6: Final answer
    x = 228,159.90

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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.