Home / 250,222.20-345,331.50-142,808.52

Finding the Fourth Proportional to 250,222.20, 345,331.50 and 142,808.52

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Solution

The fourth proportional to 250,222.20, 345,331.50 and 142,808.52 is: 197,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,222.20 : 345,331.50 = 142,808.52 : x
  2. Step 2: Convert to fraction form
    250,222.20/345,331.50 = 142,808.52/x
  3. Step 3: Cross multiply
    250,222.20x = 345,331.50 × 142,808.52
  4. Step 4: Simplify right side
    250,222.20x = 49,316,280,424.38
  5. Step 5: Solve for x
    x = 49,316,280,424.38/250,222.20
  6. Step 6: Final answer
    x = 197,089.95

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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.