Home / 154,576.42-231,862.81-87,113.55

Finding the Fourth Proportional to 154,576.42, 231,862.81 and 87,113.55

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Solution

The fourth proportional to 154,576.42, 231,862.81 and 87,113.55 is: 130,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,576.42 : 231,862.81 = 87,113.55 : x
  2. Step 2: Convert to fraction form
    154,576.42/231,862.81 = 87,113.55/x
  3. Step 3: Cross multiply
    154,576.42x = 231,862.81 × 87,113.55
  4. Step 4: Simplify right side
    154,576.42x = 20,198,392,492.08
  5. Step 5: Solve for x
    x = 20,198,392,492.08/154,576.42
  6. Step 6: Final answer
    x = 130,669.30

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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.