Home / 250,158.48-345,218.78-135,437.10

Finding the Fourth Proportional to 250,158.48, 345,218.78 and 135,437.10

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Solution

The fourth proportional to 250,158.48, 345,218.78 and 135,437.10 is: 186,903.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,158.48 : 345,218.78 = 135,437.10 : x
  2. Step 2: Convert to fraction form
    250,158.48/345,218.78 = 135,437.10/x
  3. Step 3: Cross multiply
    250,158.48x = 345,218.78 × 135,437.10
  4. Step 4: Simplify right side
    250,158.48x = 46,755,429,751.55
  5. Step 5: Solve for x
    x = 46,755,429,751.55/250,158.48
  6. Step 6: Final answer
    x = 186,903.24

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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.