Home / 250,218.41-345,326.10-142,804.51

Finding the Fourth Proportional to 250,218.41, 345,326.10 and 142,804.51

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Solution

The fourth proportional to 250,218.41, 345,326.10 and 142,804.51 is: 197,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,218.41 : 345,326.10 = 142,804.51 : x
  2. Step 2: Convert to fraction form
    250,218.41/345,326.10 = 142,804.51/x
  3. Step 3: Cross multiply
    250,218.41x = 345,326.10 × 142,804.51
  4. Step 4: Simplify right side
    250,218.41x = 49,314,124,500.71
  5. Step 5: Solve for x
    x = 49,314,124,500.71/250,218.41
  6. Step 6: Final answer
    x = 197,084.32

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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.