Home / 250,081.04-345,111.85-136,903.79

Finding the Fourth Proportional to 250,081.04, 345,111.85 and 136,903.79

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Solution

The fourth proportional to 250,081.04, 345,111.85 and 136,903.79 is: 188,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,081.04 : 345,111.85 = 136,903.79 : x
  2. Step 2: Convert to fraction form
    250,081.04/345,111.85 = 136,903.79/x
  3. Step 3: Cross multiply
    250,081.04x = 345,111.85 × 136,903.79
  4. Step 4: Simplify right side
    250,081.04x = 47,247,121,272.82
  5. Step 5: Solve for x
    x = 47,247,121,272.82/250,081.04
  6. Step 6: Final answer
    x = 188,927.24

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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.