Home / 195,674.51-270,574.38-155,318.21

Finding the Fourth Proportional to 195,674.51, 270,574.38 and 155,318.21

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Solution

The fourth proportional to 195,674.51, 270,574.38 and 155,318.21 is: 214,770.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,674.51 : 270,574.38 = 155,318.21 : x
  2. Step 2: Convert to fraction form
    195,674.51/270,574.38 = 155,318.21/x
  3. Step 3: Cross multiply
    195,674.51x = 270,574.38 × 155,318.21
  4. Step 4: Simplify right side
    195,674.51x = 42,025,128,373.46
  5. Step 5: Solve for x
    x = 42,025,128,373.46/195,674.51
  6. Step 6: Final answer
    x = 214,770.58

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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.