Home / 250,158.16-345,221.04-135,439.30

Finding the Fourth Proportional to 250,158.16, 345,221.04 and 135,439.30

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Solution

The fourth proportional to 250,158.16, 345,221.04 and 135,439.30 is: 186,907.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,158.16 : 345,221.04 = 135,439.30 : x
  2. Step 2: Convert to fraction form
    250,158.16/345,221.04 = 135,439.30/x
  3. Step 3: Cross multiply
    250,158.16x = 345,221.04 × 135,439.30
  4. Step 4: Simplify right side
    250,158.16x = 46,756,496,002.87
  5. Step 5: Solve for x
    x = 46,756,496,002.87/250,158.16
  6. Step 6: Final answer
    x = 186,907.74

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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.