Home / 250,158.36-345,212.16-139,777.91

Finding the Fourth Proportional to 250,158.36, 345,212.16 and 139,777.91

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Solution

The fourth proportional to 250,158.36, 345,212.16 and 139,777.91 is: 192,889.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,158.36 : 345,212.16 = 139,777.91 : x
  2. Step 2: Convert to fraction form
    250,158.36/345,212.16 = 139,777.91/x
  3. Step 3: Cross multiply
    250,158.36x = 345,212.16 × 139,777.91
  4. Step 4: Simplify right side
    250,158.36x = 48,253,032,505.32
  5. Step 5: Solve for x
    x = 48,253,032,505.32/250,158.36
  6. Step 6: Final answer
    x = 192,889.95

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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.