Home / 250,331.08-345,444.06-137,151.40

Finding the Fourth Proportional to 250,331.08, 345,444.06 and 137,151.40

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Solution

The fourth proportional to 250,331.08, 345,444.06 and 137,151.40 is: 189,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,331.08 : 345,444.06 = 137,151.40 : x
  2. Step 2: Convert to fraction form
    250,331.08/345,444.06 = 137,151.40/x
  3. Step 3: Cross multiply
    250,331.08x = 345,444.06 × 137,151.40
  4. Step 4: Simplify right side
    250,331.08x = 47,378,136,450.68
  5. Step 5: Solve for x
    x = 47,378,136,450.68/250,331.08
  6. Step 6: Final answer
    x = 189,261.90

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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.