Home / 250,085.32-345,117.70-136,908.07

Finding the Fourth Proportional to 250,085.32, 345,117.70 and 136,908.07

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Solution

The fourth proportional to 250,085.32, 345,117.70 and 136,908.07 is: 188,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,085.32 : 345,117.70 = 136,908.07 : x
  2. Step 2: Convert to fraction form
    250,085.32/345,117.70 = 136,908.07/x
  3. Step 3: Cross multiply
    250,085.32x = 345,117.70 × 136,908.07
  4. Step 4: Simplify right side
    250,085.32x = 47,249,398,229.84
  5. Step 5: Solve for x
    x = 47,249,398,229.84/250,085.32
  6. Step 6: Final answer
    x = 188,933.11

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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.