Home / 154,484.40-231,532.20-136,988.40

Finding the Fourth Proportional to 154,484.40, 231,532.20 and 136,988.40

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Solution

The fourth proportional to 154,484.40, 231,532.20 and 136,988.40 is: 205,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,484.40 : 231,532.20 = 136,988.40 : x
  2. Step 2: Convert to fraction form
    154,484.40/231,532.20 = 136,988.40/x
  3. Step 3: Cross multiply
    154,484.40x = 231,532.20 × 136,988.40
  4. Step 4: Simplify right side
    154,484.40x = 31,717,225,626.48
  5. Step 5: Solve for x
    x = 31,717,225,626.48/154,484.40
  6. Step 6: Final answer
    x = 205,310.22

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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.