Home / 250,239.93-345,327.21-142,807.20

Finding the Fourth Proportional to 250,239.93, 345,327.21 and 142,807.20

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Solution

The fourth proportional to 250,239.93, 345,327.21 and 142,807.20 is: 197,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,239.93 : 345,327.21 = 142,807.20 : x
  2. Step 2: Convert to fraction form
    250,239.93/345,327.21 = 142,807.20/x
  3. Step 3: Cross multiply
    250,239.93x = 345,327.21 × 142,807.20
  4. Step 4: Simplify right side
    250,239.93x = 49,315,211,943.91
  5. Step 5: Solve for x
    x = 49,315,211,943.91/250,239.93
  6. Step 6: Final answer
    x = 197,071.71

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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.