Home / 239,148.60-358,766.10-120,521.40

Finding the Fourth Proportional to 239,148.60, 358,766.10 and 120,521.40

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Solution

The fourth proportional to 239,148.60, 358,766.10 and 120,521.40 is: 180,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,148.60 : 358,766.10 = 120,521.40 : x
  2. Step 2: Convert to fraction form
    239,148.60/358,766.10 = 120,521.40/x
  3. Step 3: Cross multiply
    239,148.60x = 358,766.10 × 120,521.40
  4. Step 4: Simplify right side
    239,148.60x = 43,238,992,644.54
  5. Step 5: Solve for x
    x = 43,238,992,644.54/239,148.60
  6. Step 6: Final answer
    x = 180,803.87

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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.