Home / 250,153.98-345,210.08-135,429.69

Finding the Fourth Proportional to 250,153.98, 345,210.08 and 135,429.69

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Solution

The fourth proportional to 250,153.98, 345,210.08 and 135,429.69 is: 186,891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,153.98 : 345,210.08 = 135,429.69 : x
  2. Step 2: Convert to fraction form
    250,153.98/345,210.08 = 135,429.69/x
  3. Step 3: Cross multiply
    250,153.98x = 345,210.08 × 135,429.69
  4. Step 4: Simplify right side
    250,153.98x = 46,751,693,442.13
  5. Step 5: Solve for x
    x = 46,751,693,442.13/250,153.98
  6. Step 6: Final answer
    x = 186,891.66

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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.