Home / 207,705.20-310,901.70-163,090.40

Finding the Fourth Proportional to 207,705.20, 310,901.70 and 163,090.40

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Solution

The fourth proportional to 207,705.20, 310,901.70 and 163,090.40 is: 244,120.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,705.20 : 310,901.70 = 163,090.40 : x
  2. Step 2: Convert to fraction form
    207,705.20/310,901.70 = 163,090.40/x
  3. Step 3: Cross multiply
    207,705.20x = 310,901.70 × 163,090.40
  4. Step 4: Simplify right side
    207,705.20x = 50,705,082,613.68
  5. Step 5: Solve for x
    x = 50,705,082,613.68/207,705.20
  6. Step 6: Final answer
    x = 244,120.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.