Home / 207,692.12-312,188.46-137,068.58

Finding the Fourth Proportional to 207,692.12, 312,188.46 and 137,068.58

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Solution

The fourth proportional to 207,692.12, 312,188.46 and 137,068.58 is: 206,032.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,692.12 : 312,188.46 = 137,068.58 : x
  2. Step 2: Convert to fraction form
    207,692.12/312,188.46 = 137,068.58/x
  3. Step 3: Cross multiply
    207,692.12x = 312,188.46 × 137,068.58
  4. Step 4: Simplify right side
    207,692.12x = 42,791,228,904.59
  5. Step 5: Solve for x
    x = 42,791,228,904.59/207,692.12
  6. Step 6: Final answer
    x = 206,032.03

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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.