Home / 250,279.84-345,385.34-135,558.20

Finding the Fourth Proportional to 250,279.84, 345,385.34 and 135,558.20

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Solution

The fourth proportional to 250,279.84, 345,385.34 and 135,558.20 is: 187,069.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,279.84 : 345,385.34 = 135,558.20 : x
  2. Step 2: Convert to fraction form
    250,279.84/345,385.34 = 135,558.20/x
  3. Step 3: Cross multiply
    250,279.84x = 345,385.34 × 135,558.20
  4. Step 4: Simplify right side
    250,279.84x = 46,819,813,643.57
  5. Step 5: Solve for x
    x = 46,819,813,643.57/250,279.84
  6. Step 6: Final answer
    x = 187,069.86

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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.