Home / 154,506.80-231,760.20-70,307.30

Finding the Fourth Proportional to 154,506.80, 231,760.20 and 70,307.30

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Solution

The fourth proportional to 154,506.80, 231,760.20 and 70,307.30 is: 105,460.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,506.80 : 231,760.20 = 70,307.30 : x
  2. Step 2: Convert to fraction form
    154,506.80/231,760.20 = 70,307.30/x
  3. Step 3: Cross multiply
    154,506.80x = 231,760.20 × 70,307.30
  4. Step 4: Simplify right side
    154,506.80x = 16,294,433,909.46
  5. Step 5: Solve for x
    x = 16,294,433,909.46/154,506.80
  6. Step 6: Final answer
    x = 105,460.95

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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.