Home / 250,400.17-345,552.54-135,678.72

Finding the Fourth Proportional to 250,400.17, 345,552.54 and 135,678.72

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Solution

The fourth proportional to 250,400.17, 345,552.54 and 135,678.72 is: 187,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,400.17 : 345,552.54 = 135,678.72 : x
  2. Step 2: Convert to fraction form
    250,400.17/345,552.54 = 135,678.72/x
  3. Step 3: Cross multiply
    250,400.17x = 345,552.54 × 135,678.72
  4. Step 4: Simplify right side
    250,400.17x = 46,884,125,641.56
  5. Step 5: Solve for x
    x = 46,884,125,641.56/250,400.17
  6. Step 6: Final answer
    x = 187,236.80

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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.