Home / 250,990.18-346,374.57-143,560.42

Finding the Fourth Proportional to 250,990.18, 346,374.57 and 143,560.42

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Solution

The fourth proportional to 250,990.18, 346,374.57 and 143,560.42 is: 198,118.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,990.18 : 346,374.57 = 143,560.42 : x
  2. Step 2: Convert to fraction form
    250,990.18/346,374.57 = 143,560.42/x
  3. Step 3: Cross multiply
    250,990.18x = 346,374.57 × 143,560.42
  4. Step 4: Simplify right side
    250,990.18x = 49,725,678,746.52
  5. Step 5: Solve for x
    x = 49,725,678,746.52/250,990.18
  6. Step 6: Final answer
    x = 198,118.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.