Home / 154,658.41-231,987.70-42,339.56

Finding the Fourth Proportional to 154,658.41, 231,987.70 and 42,339.56

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Solution

The fourth proportional to 154,658.41, 231,987.70 and 42,339.56 is: 63,509.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,658.41 : 231,987.70 = 42,339.56 : x
  2. Step 2: Convert to fraction form
    154,658.41/231,987.70 = 42,339.56/x
  3. Step 3: Cross multiply
    154,658.41x = 231,987.70 × 42,339.56
  4. Step 4: Simplify right side
    154,658.41x = 9,822,257,103.17
  5. Step 5: Solve for x
    x = 9,822,257,103.17/154,658.41
  6. Step 6: Final answer
    x = 63,509.36

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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.