Home / 250,296.12-345,406.86-135,572.18

Finding the Fourth Proportional to 250,296.12, 345,406.86 and 135,572.18

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Solution

The fourth proportional to 250,296.12, 345,406.86 and 135,572.18 is: 187,088.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,296.12 : 345,406.86 = 135,572.18 : x
  2. Step 2: Convert to fraction form
    250,296.12/345,406.86 = 135,572.18/x
  3. Step 3: Cross multiply
    250,296.12x = 345,406.86 × 135,572.18
  4. Step 4: Simplify right side
    250,296.12x = 46,827,559,270.12
  5. Step 5: Solve for x
    x = 46,827,559,270.12/250,296.12
  6. Step 6: Final answer
    x = 187,088.63

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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.