Home / 250,298.12-345,409.62-135,574.18

Finding the Fourth Proportional to 250,298.12, 345,409.62 and 135,574.18

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Solution

The fourth proportional to 250,298.12, 345,409.62 and 135,574.18 is: 187,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,298.12 : 345,409.62 = 135,574.18 : x
  2. Step 2: Convert to fraction form
    250,298.12/345,409.62 = 135,574.18/x
  3. Step 3: Cross multiply
    250,298.12x = 345,409.62 × 135,574.18
  4. Step 4: Simplify right side
    250,298.12x = 46,828,625,995.61
  5. Step 5: Solve for x
    x = 46,828,625,995.61/250,298.12
  6. Step 6: Final answer
    x = 187,091.40

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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.