Home / 207,086.20-310,633.18-64,928.32

Finding the Fourth Proportional to 207,086.20, 310,633.18 and 64,928.32

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Solution

The fourth proportional to 207,086.20, 310,633.18 and 64,928.32 is: 97,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,086.20 : 310,633.18 = 64,928.32 : x
  2. Step 2: Convert to fraction form
    207,086.20/310,633.18 = 64,928.32/x
  3. Step 3: Cross multiply
    207,086.20x = 310,633.18 × 64,928.32
  4. Step 4: Simplify right side
    207,086.20x = 20,168,890,513.66
  5. Step 5: Solve for x
    x = 20,168,890,513.66/207,086.20
  6. Step 6: Final answer
    x = 97,393.70

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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.