Home / 250,333.89-345,459.27-135,614.70

Finding the Fourth Proportional to 250,333.89, 345,459.27 and 135,614.70

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Solution

The fourth proportional to 250,333.89, 345,459.27 and 135,614.70 is: 187,147.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,333.89 : 345,459.27 = 135,614.70 : x
  2. Step 2: Convert to fraction form
    250,333.89/345,459.27 = 135,614.70/x
  3. Step 3: Cross multiply
    250,333.89x = 345,459.27 × 135,614.70
  4. Step 4: Simplify right side
    250,333.89x = 46,849,355,263.27
  5. Step 5: Solve for x
    x = 46,849,355,263.27/250,333.89
  6. Step 6: Final answer
    x = 187,147.47

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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.